DEBT AND FINANCING ARRANGEMENTS - Carrying Value of Debt Obligations (Detail)
|
12 Months Ended |
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|
Dec. 31, 2019
USD ($)
|
Dec. 31, 2019
EUR (€)
|
Aug. 16, 2019
USD ($)
|
Apr. 01, 2019
USD ($)
|
Mar. 15, 2019
USD ($)
|
Dec. 31, 2018
USD ($)
|
Nov. 08, 2017
EUR (€)
|
| Debt Instrument [Line Items] |
|
|
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|
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|
|
| Principal Amount |
$ 26,388,000,000
|
|
|
|
|
|
|
| Long-term Debt |
24,891,000,000
|
|
|
|
|
|
|
| Total debt |
25,238,000,000
|
|
|
|
|
$ 22,736,000,000
|
|
| Less current maturities |
(3,420,000,000)
|
|
|
|
|
(2,805,000,000)
|
|
| Long-term debt, excluding current maturities |
21,818,000,000
|
|
|
|
|
19,931,000,000
|
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| Commercial paper |
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|
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| Debt Instrument [Line Items] |
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| Principal Amount |
$ 3,243,000,000
|
|
|
|
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|
|
| Maturity |
Dec. 31, 2020
|
|
|
|
|
|
|
| Total debt |
$ 3,234,000,000
|
|
|
|
|
2,662,000,000
|
|
| Senior notes | 1.125% senior notes |
|
|
|
|
|
|
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| Debt Instrument [Line Items] |
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| Principal Amount |
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|
$ 1,000,000,000.00
|
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|
|
| Debt instrument, stated interest rate percentage |
|
|
|
5.125%
|
|
|
|
| Senior notes | 5.50% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
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| Principal Amount |
$ 750,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
5.50%
|
5.50%
|
|
|
|
|
|
| Senior notes | 5.125% senior notes |
|
|
|
|
|
|
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| Debt Instrument [Line Items] |
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|
|
|
|
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| Principal Amount |
$ 1,000,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
5.125%
|
5.125%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2019
|
|
|
|
|
|
|
| Total debt |
$ 0
|
|
|
|
|
998,000,000
|
|
| Senior notes | 3.125% senior notes |
|
|
|
|
|
|
|
| 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%
|
3.125%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2021
|
|
|
|
|
|
|
| Total debt |
$ 1,524,000,000
|
|
|
|
|
1,492,000,000
|
|
| Senior notes | 2.050% senior notes |
|
|
|
|
|
|
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| Debt Instrument [Line Items] |
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|
|
|
|
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| Principal Amount |
$ 700,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.05%
|
2.05%
|
|
|
|
|
|
| Maturity |
Apr. 30, 2021
|
|
|
|
|
|
|
| Total debt |
$ 699,000,000
|
|
|
|
|
698,000,000
|
|
| Senior notes | 2.45% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
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|
|
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| Principal Amount |
$ 1,000,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.45%
|
2.45%
|
|
|
|
|
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| Maturity - Maximum Date |
Oct. 01, 2022
|
|
|
|
|
|
|
| Total debt |
$ 1,003,000,000
|
|
|
|
|
1,023,000,000
|
|
| Senior notes | A235 Senior Notes [Member] |
|
|
|
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| Debt Instrument [Line Items] |
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|
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| Principal Amount |
$ 600,000,000
|
|
|
|
|
|
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| Debt instrument, stated interest rate percentage |
2.35%
|
2.35%
|
|
|
|
|
|
| Maturity |
May 31, 2022
|
|
|
|
|
|
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| Total debt |
$ 598,000,000
|
|
|
|
|
597,000,000
|
|
| Senior notes | 2.500% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
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| Principal Amount |
$ 1,000,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.50%
|
2.50%
|
|
|
|
|
|
| Maturity |
Apr. 30, 2023
|
|
|
|
|
|
|
| Total debt |
$ 995,000,000
|
|
|
|
|
994,000,000
|
|
| Senior notes | 2.800% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 500,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.80%
|
2.80%
|
|
|
|
|
|
| Maturity |
Nov. 30, 2024
|
|
|
|
|
|
|
| Total debt |
$ 497,000,000
|
|
|
|
|
496,000,000
|
|
| Senior notes | 2.20% senior notes [Member] |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
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|
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| Principal Amount |
$ 400,000,000
|
|
$ 400,000,000
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.20%
|
2.20%
|
2.20%
|
|
|
|
|
| Maturity |
Sep. 01, 2024
|
|
|
|
|
|
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| Total debt |
$ 398,000,000
|
|
|
|
|
0
|
|
| Senior notes | 2.40% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
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| Principal Amount |
$ 500,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.40%
|
2.40%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2026
|
|
|
|
|
|
|
| Total debt |
$ 498,000,000
|
|
|
|
|
498,000,000
|
|
| Senior notes | 3.050% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 1,000,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
3.05%
|
3.05%
|
|
|
|
|
|
| Maturity |
Nov. 30, 2027
|
|
|
|
|
|
|
| Total debt |
$ 992,000,000
|
|
|
|
|
991,000,000
|
|
| Senior notes | 3.400% senior notes Due 2029 [Member] |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 750,000,000
|
|
|
|
$ 750,000,000
|
|
|
| Debt instrument, stated interest rate percentage |
3.40%
|
3.40%
|
|
|
3.40%
|
|
|
| Maturity |
Mar. 15, 2029
|
|
|
|
|
|
|
| Total debt |
$ 745,000,000
|
|
|
|
|
0
|
|
| Senior notes | 2.500% senior notes Due 2029 [Member] |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 400,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.50%
|
2.50%
|
2.50%
|
|
|
|
|
| Maturity |
Sep. 01, 2029
|
|
|
|
|
|
|
| Total debt |
$ 397,000,000
|
|
|
|
|
0
|
|
| Senior notes | 6.20% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 1,500,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
6.20%
|
6.20%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2038
|
|
|
|
|
|
|
| Total debt |
$ 1,483,000,000
|
|
|
|
|
1,482,000,000
|
|
| Senior notes | 4.875% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 500,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
4.875%
|
4.875%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2040
|
|
|
|
|
|
|
| Total debt |
$ 490,000,000
|
|
|
|
|
490,000,000
|
|
| Senior notes | 3.625% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 375,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
3.625%
|
3.625%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2042
|
|
|
|
|
|
|
| Total debt |
$ 368,000,000
|
|
|
|
|
368,000,000
|
|
| Senior notes | 3.40% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 500,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
3.40%
|
3.40%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2046
|
|
|
|
|
|
|
| Total debt |
$ 491,000,000
|
|
|
|
|
491,000,000
|
|
| Senior notes | 3.750% senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 1,150,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
3.75%
|
3.75%
|
|
|
|
|
|
| Maturity |
Nov. 30, 2047
|
|
|
|
|
|
|
| Total debt |
$ 1,136,000,000
|
|
|
|
|
1,136,000,000
|
|
| Senior notes | 4.250% senior notes 2049 [Member] |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 750,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
4.25%
|
4.25%
|
|
|
4.25%
|
|
|
| Maturity |
Mar. 15, 2049
|
|
|
|
|
|
|
| Total debt |
$ 742,000,000
|
|
|
|
|
0
|
|
| Senior notes | 3.400% senior notes [Member] |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 700,000,000
|
|
$ 700,000,000
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
3.40%
|
3.40%
|
3.40%
|
|
|
|
|
| Maturity |
Sep. 01, 2029
|
|
|
|
|
|
|
| Total debt |
$ 688,000,000
|
|
|
|
|
0
|
|
| Senior notes | Floating rate senior notes maturing 2021 |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 350,000,000
|
|
|
|
|
|
|
| Maturity |
Apr. 30, 2021
|
|
|
|
|
|
|
| Total debt |
$ 349,000,000
|
|
|
|
|
349,000,000
|
|
| Senior notes | Floating rate senior notes maturing 2022 |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 400,000,000
|
|
|
|
|
|
|
| Maturity |
May 31, 2022
|
|
|
|
|
|
|
| Total debt |
$ 399,000,000
|
|
|
|
|
399,000,000
|
|
| Senior notes | Floating rate senior notes maturing 2023 |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 500,000,000
|
|
|
|
|
|
|
| Maturity |
Apr. 30, 2023
|
|
|
|
|
|
|
| Total debt |
$ 499,000,000
|
|
|
|
|
499,000,000
|
|
| Senior notes | Floating rate senior notes maturing 2049-2067 |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 1,041,000,000
|
|
|
|
|
|
|
| Maturity - Minimum Date |
Dec. 31, 2049
|
|
|
|
|
|
|
| Maturity - Maximum Date |
Dec. 31, 2067
|
|
|
|
|
|
|
| Total debt |
$ 1,028,000,000
|
|
|
|
|
1,029,000,000
|
|
| Senior notes | 8.375% debentures Due 2020 |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 424,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
8.375%
|
8.375%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2020
|
|
|
|
|
|
|
| Total debt |
$ 426,000,000
|
|
|
|
|
419,000,000
|
|
| Senior notes | 8.375% debentures Due 2030 |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 276,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
8.375%
|
8.375%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2030
|
|
|
|
|
|
|
| Total debt |
$ 281,000,000
|
|
|
|
|
274,000,000
|
|
| Senior notes | Canadian Senior Note 2.125 Note [Member] |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 573,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.125%
|
2.125%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2024
|
|
|
|
|
|
|
| Total debt |
$ 571,000,000
|
|
|
|
|
548,000,000
|
|
| Pound Sterling notes | 5.50% Pound Sterling Notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 87,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
5.50%
|
5.50%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2031
|
|
|
|
|
|
|
| Total debt |
$ 86,000,000
|
|
|
|
|
84,000,000
|
|
| Pound Sterling notes | Pound Sterling Notes 5 Point 13 Percent [Member] |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 597,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
5.125%
|
5.125%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2050
|
|
|
|
|
|
|
| Total debt |
$ 566,000,000
|
|
|
|
|
546,000,000
|
|
| Euro Senior Notes | 0.375% Euro Senior Notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 783,000,000
|
|
|
|
|
|
€ 700,000,000
|
| Debt instrument, stated interest rate percentage |
0.375%
|
0.375%
|
|
|
|
|
0.375%
|
| Maturity |
Dec. 31, 2023
|
|
|
|
|
|
|
| Total debt |
$ 779,000,000
|
|
|
|
|
797,000,000
|
|
| Euro Senior Notes | 1.625% euro senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 783,000,000
|
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
1.625%
|
1.625%
|
|
|
|
|
|
| Maturity |
Dec. 31, 2025
|
|
|
|
|
|
|
| Total debt |
$ 779,000,000
|
|
|
|
|
798,000,000
|
|
| Euro Senior Notes | 1.000% euro senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 560,000,000
|
€ 500,000,000
|
|
|
|
|
|
| Debt instrument, stated interest rate percentage |
1.00%
|
1.00%
|
|
|
|
|
|
| Maturity |
Nov. 30, 2028
|
|
|
|
|
|
|
| Total debt |
$ 556,000,000
|
|
|
|
|
570,000,000
|
|
| Euro Senior Notes | 1.500% euro senior notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 560,000,000
|
|
|
|
|
|
€ 500,000,000
|
| Debt instrument, stated interest rate percentage |
1.50%
|
1.50%
|
|
|
|
|
1.50%
|
| Maturity |
Dec. 31, 2032
|
|
|
|
|
|
|
| Total debt |
$ 556,000,000
|
|
|
|
|
569,000,000
|
|
| Euro Senior Notes | Floating Rate Euro Senior Notes |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 560,000,000
|
€ 500,000,000
|
|
|
|
|
|
| Maturity |
Dec. 31, 2020
|
|
|
|
|
|
|
| Total debt |
$ 559,000,000
|
|
|
|
|
572,000,000
|
|
| Finance lease obligations |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 498,000,000
|
|
|
|
|
|
|
| Maturity - Minimum Date |
Dec. 31, 2020
|
|
|
|
|
|
|
| Maturity - Maximum Date |
Dec. 31, 2210
|
|
|
|
|
|
|
| Total debt |
$ 498,000,000
|
|
|
|
|
534,000,000
|
|
| 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
|
|
|
|
|
320,000,000
|
|
| Other debt |
|
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
|
| Principal Amount |
$ 8,000,000
|
|
|
|
|
|
|
| Maturity - Minimum Date |
Dec. 31, 2020
|
|
|
|
|
|
|
| Maturity - Maximum Date |
Dec. 31, 2025
|
|
|
|
|
|
|
| Total debt |
$ 8,000,000
|
|
|
|
|
$ 13,000,000
|
|