DEBT AND FINANCING ARRANGEMENTS - Carrying Value of Debt Obligations (Detail)
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12 Months Ended |
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Dec. 31, 2018
USD ($)
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Dec. 31, 2017
USD ($)
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Dec. 31, 2018
EUR (€)
|
Nov. 08, 2017
EUR (€)
|
Oct. 01, 2017 |
Debt Instrument [Line Items] |
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Principal Amount |
$ 23,633,000,000
|
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Long-term Debt |
22,349,000,000
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Total debt |
22,736,000,000
|
$ 24,289,000,000
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Less current maturities |
(2,805,000,000)
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(4,011,000,000)
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Long-term debt, excluding current maturities |
19,931,000,000
|
20,278,000,000
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Commercial paper |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 2,662,000,000
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Maturity |
Dec. 31, 2018
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Total debt |
$ 2,662,000,000
|
$ 3,203,000,000
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Senior notes | 1.125% senior notes |
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|
Debt Instrument [Line Items] |
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Principal Amount |
$ 375,000,000
|
|
|
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Debt instrument, stated interest rate percentage |
1.125%
|
|
1.125%
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|
5.50%
|
Maturity - Maximum Date |
|
Jan. 01, 2017
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Senior notes | 5.50% senior notes |
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|
Debt Instrument [Line Items] |
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Principal Amount |
$ 750,000,000
|
|
|
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Debt instrument, stated interest rate percentage |
5.50%
|
|
5.50%
|
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Maturity - Maximum Date |
Jan. 01, 2018
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Maturity |
Dec. 31, 2018
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Total debt |
$ 0
|
$ 751,000,000
|
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|
Senior notes | 5.125% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 1,000,000,000.0
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|
|
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Debt instrument, stated interest rate percentage |
5.125%
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|
5.125%
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Maturity - Maximum Date |
Jan. 01, 2019
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Maturity |
Dec. 31, 2019
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Total debt |
$ 998,000,000
|
1,019,000,000
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Senior notes | 3.125% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 1,500,000,000
|
|
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Debt instrument, stated interest rate percentage |
3.125%
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|
3.125%
|
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Maturity - Maximum Date |
Jan. 01, 2021
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|
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Maturity |
Dec. 31, 2021
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|
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Total debt |
$ 1,492,000,000
|
1,549,000,000
|
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Senior notes | 2.050% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 700,000,000
|
|
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Debt instrument, stated interest rate percentage |
2.05%
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|
2.05%
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Maturity |
Apr. 30, 2021
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Total debt |
$ 698,000,000
|
696,000,000
|
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|
Senior notes | 2.45% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 1,000,000,000
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|
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Debt instrument, stated interest rate percentage |
2.45%
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|
2.45%
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Maturity - Maximum Date |
Oct. 01, 2022
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Total debt |
$ 1,023,000,000
|
979,000,000
|
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|
Senior notes | A235 Senior Notes [Member] |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 600,000,000
|
|
|
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Debt instrument, stated interest rate percentage |
2.35%
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|
2.35%
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Maturity |
May 31, 2022
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|
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Total debt |
$ 597,000,000
|
597,000,000
|
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Senior notes | 2.500% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 1,000,000,000
|
|
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Debt instrument, stated interest rate percentage |
2.50%
|
|
2.50%
|
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Maturity |
Apr. 30, 2023
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|
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Total debt |
$ 994,000,000
|
992,000,000
|
|
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Senior notes | 2.800% senior notes |
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|
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Debt Instrument [Line Items] |
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Principal Amount |
$ 500,000,000
|
|
|
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Debt instrument, stated interest rate percentage |
2.80%
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|
2.80%
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Maturity |
Nov. 30, 2024
|
|
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Total debt |
$ 496,000,000
|
495,000,000
|
|
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|
Senior notes | 2.40% senior notes |
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|
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|
Debt Instrument [Line Items] |
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Principal Amount |
$ 500,000,000
|
|
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Debt instrument, stated interest rate percentage |
2.40%
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|
2.40%
|
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Maturity |
Dec. 31, 2026
|
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Total debt |
$ 498,000,000
|
497,000,000
|
|
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|
Senior notes | 3.050% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 1,000,000,000
|
|
|
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Debt instrument, stated interest rate percentage |
3.05%
|
|
3.05%
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Maturity |
Nov. 30, 2027
|
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Total debt |
$ 991,000,000
|
990,000,000
|
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|
Senior notes | 6.20% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 1,500,000,000
|
|
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Debt instrument, stated interest rate percentage |
6.20%
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|
6.20%
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Maturity |
Dec. 31, 2038
|
|
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Total debt |
$ 1,482,000,000
|
1,482,000,000
|
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Senior notes | 4.875% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 500,000,000
|
|
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Debt instrument, stated interest rate percentage |
4.875%
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|
4.875%
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Maturity |
Dec. 31, 2040
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Total debt |
$ 490,000,000
|
489,000,000
|
|
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Senior notes | 3.625% senior notes |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 375,000,000
|
|
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Debt instrument, stated interest rate percentage |
3.625%
|
|
3.625%
|
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Maturity |
Dec. 31, 2042
|
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Total debt |
$ 368,000,000
|
368,000,000
|
|
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|
Senior notes | 3.40% senior notes |
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|
Debt Instrument [Line Items] |
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Principal Amount |
$ 500,000,000
|
|
|
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Debt instrument, stated interest rate percentage |
3.40%
|
|
3.40%
|
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Maturity |
Dec. 31, 2046
|
|
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Total debt |
$ 491,000,000
|
491,000,000
|
|
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|
Senior notes | 3.750% senior notes |
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|
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Debt Instrument [Line Items] |
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Principal Amount |
$ 1,150,000,000
|
|
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Debt instrument, stated interest rate percentage |
3.75%
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|
3.75%
|
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Maturity |
Nov. 30, 2047
|
|
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Total debt |
$ 1,136,000,000
|
1,135,000,000
|
|
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Senior notes | Floating rate senior notes maturing 2021 |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 350,000,000
|
|
|
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Maturity |
Apr. 30, 2021
|
|
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Total debt |
$ 349,000,000
|
348,000,000
|
|
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|
Senior notes | Floating rate senior notes maturing 2022 |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 400,000,000
|
|
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Maturity |
May 31, 2022
|
|
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Total debt |
$ 399,000,000
|
398,000,000
|
|
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|
Senior notes | Floating rate senior notes maturing 2023 |
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|
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|
Debt Instrument [Line Items] |
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Principal Amount |
$ 500,000,000
|
|
|
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Maturity |
Apr. 30, 2023
|
|
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Total debt |
$ 499,000,000
|
496,000,000
|
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|
Senior notes | Floating rate senior notes maturing 2049-2067 |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 1,042,000,000
|
|
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Maturity - Minimum Date |
Dec. 31, 2049
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Maturity - Maximum Date |
Dec. 31, 2067
|
|
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Total debt |
$ 1,029,000,000
|
1,032,000,000
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Senior notes | 8.375% debentures Due 2020 |
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Debt Instrument [Line Items] |
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Principal Amount |
$ 424,000,000
|
|
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Debt instrument, stated interest rate percentage |
8.375%
|
|
8.375%
|
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Maturity |
Dec. 31, 2020
|
|
|
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Total debt |
$ 419,000,000
|
447,000,000
|
|
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|
Senior notes | 8.375% debentures Due 2030 |
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|
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|
Debt Instrument [Line Items] |
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Principal Amount |
$ 276,000,000
|
|
|
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Debt instrument, stated interest rate percentage |
8.375%
|
|
8.375%
|
|
|
Maturity |
Dec. 31, 2030
|
|
|
|
|
Total debt |
$ 274,000,000
|
282,000,000
|
|
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|
Senior notes | Canadian Senior Note 2.125 Note [Member] |
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|
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|
Debt Instrument [Line Items] |
|
|
|
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|
Principal Amount |
$ 551,000,000
|
|
|
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|
Debt instrument, stated interest rate percentage |
2.125%
|
|
2.125%
|
|
|
Maturity |
Dec. 31, 2024
|
|
|
|
|
Total debt |
$ 548,000,000
|
593,000,000
|
|
|
|
Pound Sterling notes | 5.50% Pound Sterling Notes |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
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|
Principal Amount |
$ 84,000,000
|
|
|
|
|
Debt instrument, stated interest rate percentage |
5.50%
|
|
5.50%
|
|
|
Maturity |
Dec. 31, 2031
|
|
|
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|
Total debt |
$ 84,000,000
|
84,000,000
|
|
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|
Pound Sterling notes | Pound Sterling Notes 5 Point 13 Percent [Member] |
|
|
|
|
|
Debt Instrument [Line Items] |
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|
|
|
|
Principal Amount |
$ 577,000,000
|
|
|
|
|
Debt instrument, stated interest rate percentage |
5.125%
|
|
5.125%
|
|
|
Maturity |
Dec. 31, 2050
|
|
|
|
|
Total debt |
$ 546,000,000
|
586,000,000
|
|
|
|
Euro Senior Notes | 0.375% Euro Senior Notes |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
Principal Amount |
$ 803,000,000
|
|
|
€ 700,000,000
|
|
Debt instrument, stated interest rate percentage |
0.375%
|
|
0.375%
|
0.375%
|
|
Maturity |
Dec. 31, 2023
|
|
|
|
|
Total debt |
$ 797,000,000
|
832,000,000
|
|
|
|
Euro Senior Notes | 1.625% euro senior notes |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
Principal Amount |
$ 803,000,000
|
|
|
|
|
Debt instrument, stated interest rate percentage |
1.625%
|
|
1.625%
|
|
|
Maturity |
Dec. 31, 2025
|
|
|
|
|
Total debt |
$ 798,000,000
|
833,000,000
|
|
|
|
Euro Senior Notes | 1.000% euro senior notes |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
Principal Amount |
$ 573,000,000
|
|
€ 500,000,000
|
|
|
Debt instrument, stated interest rate percentage |
1.00%
|
|
1.00%
|
|
|
Maturity |
Nov. 30, 2028
|
|
|
|
|
Total debt |
$ 570,000,000
|
595,000,000
|
|
|
|
Euro Senior Notes | 1.500% euro senior notes |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
Principal Amount |
$ 573,000,000
|
|
|
€ 500,000,000
|
|
Debt instrument, stated interest rate percentage |
1.50%
|
|
1.50%
|
1.50%
|
|
Maturity |
Dec. 31, 2032
|
|
|
|
|
Total debt |
$ 569,000,000
|
594,000,000
|
|
|
|
Euro Senior Notes | Floating Rate Euro Senior Notes |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
Principal Amount |
$ 573,000,000
|
|
|
|
|
Maturity |
Dec. 31, 2020
|
|
|
|
|
Total debt |
$ 572,000,000
|
598,000,000
|
|
|
|
Capital lease obligations |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
Principal Amount |
$ 534,000,000
|
|
|
|
|
Maturity - Minimum Date |
Dec. 31, 2018
|
|
|
|
|
Maturity - Maximum Date |
Dec. 31, 3005
|
|
|
|
|
Total debt |
$ 534,000,000
|
500,000,000
|
|
|
|
Facility notes and bonds |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
Principal Amount |
$ 320,000,000
|
|
|
|
|
Maturity - Minimum Date |
Dec. 31, 2029
|
|
|
|
|
Maturity - Maximum Date |
Dec. 31, 2045
|
|
|
|
|
Total debt |
$ 320,000,000
|
319,000,000
|
|
|
|
Other debt |
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
Principal Amount |
$ 13,000,000
|
|
|
|
|
Maturity - Minimum Date |
Dec. 31, 2018
|
|
|
|
|
Maturity - Maximum Date |
Dec. 31, 2022
|
|
|
|
|
Total debt |
$ 13,000,000
|
$ 19,000,000
|
|
|
|