DEBT AND FINANCING ARRANGEMENTS - Carrying Value of Debt Obligations (Detail)
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2020
EUR (€)
|
Mar. 24, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 24,814,000,000
|
|
|
|
| Long-term Debt |
24,472,000,000
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
24,654,000,000
|
|
|
$ 25,238,000,000
|
| Total lease obligations |
342,000,000
|
|
|
498,000,000
|
| Less current maturities |
(2,623,000,000)
|
|
|
(3,420,000,000)
|
| Long-term debt, excluding current maturities |
22,031,000,000
|
|
|
21,818,000,000
|
| Commercial paper |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
15,000,000
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
15,000,000
|
|
|
3,234,000,000
|
| Senior notes | 5.125% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 1,000,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
5.125%
|
5.125%
|
|
|
| Senior notes | 3.125% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 1,500,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
3.125%
|
3.125%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 1,507,000,000
|
|
|
1,524,000,000
|
| Senior notes | 2.050% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 700,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.05%
|
2.05%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 700,000,000
|
|
|
699,000,000
|
| Senior notes | 2.45% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 1,000,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.45%
|
2.45%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 1,028,000,000
|
|
|
1,003,000,000
|
| Senior notes | A235 Senior Notes [Member] |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 600,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.35%
|
2.35%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 599,000,000
|
|
|
598,000,000
|
| Senior notes | 2.500% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 1,000,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.50%
|
2.50%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 997,000,000
|
|
|
995,000,000
|
| 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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 498,000,000
|
|
|
497,000,000
|
| Senior notes | 2.20% senior notes [Member] |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 400,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.20%
|
2.20%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 398,000,000
|
|
|
398,000,000
|
| Senior notes | 3.900% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 1,000,000,000
|
|
$ 1,000,000,000.0
|
|
| Debt instrument, stated interest rate percentage |
3.90%
|
3.90%
|
3.90%
|
|
| Long-term Debt and Lease Obligation, Total |
$ 995,000,000
|
|
|
0
|
| Senior notes | 2.40% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 500,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.40%
|
2.40%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 993,000,000
|
|
|
992,000,000
|
| Senior notes | 3.400% senior notes Due 2029 [Member] |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 750,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
3.40%
|
3.40%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 746,000,000
|
|
|
745,000,000
|
| 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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 397,000,000
|
|
|
397,000,000
|
| Senior notes | 4.450% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 750,000,000
|
|
$ 750,000,000
|
|
| Debt instrument, stated interest rate percentage |
4.45%
|
4.45%
|
4.45%
|
|
| Long-term Debt and Lease Obligation, Total |
$ 743,000,000
|
|
|
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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 1,483,000,000
|
|
|
1,483,000,000
|
| Senior notes | 5.200% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 500,000,000
|
|
$ 500,000,000
|
|
| Debt instrument, stated interest rate percentage |
5.20%
|
5.20%
|
5.20%
|
|
| Long-term Debt and Lease Obligation, Total |
$ 493,000,000
|
|
|
0
|
| 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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 1,137,000,000
|
|
|
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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 742,000,000
|
|
|
742,000,000
|
| Senior notes | 3.400% senior notes [Member] |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 700,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
3.40%
|
3.40%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 688,000,000
|
|
|
688,000,000
|
| Senior notes | 5.300% senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 1,250,000,000
|
|
$ 1,250,000,000
|
|
| Debt instrument, stated interest rate percentage |
5.30%
|
5.30%
|
5.30%
|
|
| Long-term Debt and Lease Obligation, Total |
$ 1,231,000,000
|
|
|
0
|
| Senior notes | Floating rate senior notes maturing 2021 |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
350,000,000
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
350,000,000
|
|
|
349,000,000
|
| Senior notes | Floating rate senior notes maturing 2022 |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
400,000,000
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
399,000,000
|
|
|
399,000,000
|
| Senior notes | Floating rate senior notes maturing 2023 |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
500,000,000
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
499,000,000
|
|
|
499,000,000
|
| Senior notes | Floating rate senior notes maturing 2049-2067 |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
1,039,000,000
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
1,027,000,000
|
|
|
1,028,000,000
|
| Senior notes | 8.375% debentures Due 2020 |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 0
|
|
|
|
| Debt instrument, stated interest rate percentage |
8.375%
|
8.375%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 0
|
|
|
426,000,000
|
| 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%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 281,000,000
|
|
|
281,000,000
|
| Senior notes | Canadian Senior Note 2.125 Note [Member] |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 585,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
2.125%
|
2.125%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 583,000,000
|
|
|
571,000,000
|
| Pound Sterling notes | 5.50% Pound Sterling Notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 90,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
5.50%
|
5.50%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 90,000,000
|
|
|
86,000,000
|
| Pound Sterling notes | Pound Sterling Notes 5 Point 13 Percent [Member] |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 618,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
5.125%
|
5.125%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 586,000,000
|
|
|
566,000,000
|
| Euro Senior Notes | 0.375% Euro Senior Notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 860,000,000
|
€ 700,000,000
|
|
|
| Debt instrument, stated interest rate percentage |
0.375%
|
0.375%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 857,000,000
|
|
|
779,000,000
|
| Euro Senior Notes | 1.625% euro senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 860,000,000
|
|
|
|
| Debt instrument, stated interest rate percentage |
1.625%
|
1.625%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 856,000,000
|
|
|
779,000,000
|
| Euro Senior Notes | 1.000% euro senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 614,000,000
|
€ 500,000,000
|
|
|
| Debt instrument, stated interest rate percentage |
1.00%
|
1.00%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 611,000,000
|
|
|
556,000,000
|
| Euro Senior Notes | 1.500% euro senior notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
$ 614,000,000
|
€ 500,000,000
|
|
|
| Debt instrument, stated interest rate percentage |
1.50%
|
1.50%
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 611,000,000
|
|
|
556,000,000
|
| Euro Senior Notes | Floating Rate Euro Senior Notes |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
0
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
0
|
|
|
559,000,000
|
| Facility notes and bonds [Member] |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
320,000,000
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
320,000,000
|
|
|
320,000,000
|
| Other debt [Member] |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Principal Amount |
6,000,000
|
|
|
|
| Long-term Debt and Lease Obligation, Total |
$ 5,000,000
|
|
|
$ 8,000,000
|