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v3.10.0.1

Debt (Long-term Debt) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Total current portion of long-term debt and short-term borrowings | $ 4 | $ 379
Total long-term debt | 5,998 | 5,128
Less current portion of long-term debt | 4 | 379
Long-term debt | 5,994 | 4,749
Debentures, 1.5%, Due 2018 [Member] |  |
Debentures |  | $ 375
Interest rate on debt |  | 1.50%
Debt maturity date |  | 2018
Debentures, 6.625%, Due 2019 [Member] |  |
Debentures |  | $ 245
Interest rate on debt |  | 6.625%
Debt maturity date |  | 2019
Debentures, 4.25%, Due 2020 [Member] |  |
Debentures | $ 291 | $ 288
Interest rate on debt | 4.25% | 4.25%
Debt maturity date | 2020 | 2020
Debentures, 8.875%, Due 2021 [Member] |  |
Debentures | $ 65 | $ 66
Interest rate on debt | 8.875% | 8.875%
Debt maturity date | 2021 | 2021
Debentures, 2.90%, Due 2022 [Member] |  |
Debentures | $ 373 | $ 373
Interest rate on debt | 2.90% | 2.90%
Debt maturity date | 2022 | 2022
Debentures, 3.70%, due 2023 [Member] |  |
Debentures | $ 249 | $ 249
Average rate | 3.70% | 3.70%
Debt maturity date | 2023 | 2023
Medium-Term Notes, Average Rate 7.66%, Due Through 2023 [Member] |  |
Debentures | $ 45 | $ 45
Interest rate on debt | 7.66% | 7.66%
Debt maturity date | 2023 | 2023
Debentures, 7.00%, Due 2024 [Member] |  |
Debentures | $ 100 | $ 99
Interest rate on debt | 7.00% | 7.00%
Debt maturity date | 2024 | 2024
Yen-denominated Debentures, .698%, due 2024 [Member] |  |
Debentures | $ 191 | $ 185
Interest rate on debt | 0.698% | 0.698%
Debt maturity date | 2024 | 2024
Yen-denominated Debentures, .722%, due 2025 [Member] |  |
Debentures | $ 90 |
Interest rate on debt | 0.722% |
Debt maturity date | 2025 |
Yen-denominated Debentures, .992%, due 2027 [Member] |  |
Debentures | $ 426 | $ 414
Interest rate on debt | 0.992% | 0.992%
Debt maturity date | 2027 | 2027
Yen-denominated Debentures, 1.043%, due 2028 [Member] |  |
Debentures | $ 276 |
Interest rate on debt | 1.043% |
Debt maturity date | 2028 |
Debentures, 6.85%, Due 2029 [Member] |  |
Debentures | $ 164 | $ 166
Interest rate on debt | 6.85% | 6.85%
Debt maturity date | 2029 | 2029
Debentures, 1.219%, due 2030 [Member] |  |
Debentures | $ 226 |
Interest rate on debt | 1.219% |
Debt maturity date | 2030 |
Debentures, Callable, 7.25%, Due 2036 [Member] |  |
Debentures | $ 248 | $ 248
Interest rate on debt | 7.25% | 7.25%
Debt maturity date | 2036 | 2036
Debentures, 4.70%, Due 2037 [Member] |  |
Debentures | $ 295 | $ 248
Average rate | 4.70% | 4.70%
Debt maturity date | 2037 | 2037
Yen-denominated Debentures, 1.583%, due 2037 [Member] |  |
Debentures | $ 91 | $ 85
Interest rate on debt | 1.583% | 1.583%
Debt maturity date | 2037 | 2037
Debentures, 5.75%, Due 2040 [Member] |  |
Debentures | $ 395 | $ 397
Interest rate on debt | 5.75% | 5.75%
Debt maturity date | 2040 | 2040
Debentures, 4.75%, Due 2042 [Member] |  |
Debentures | $ 496 | $ 496
Interest rate on debt | 4.75% | 4.75%
Debt maturity date | 2042 | 2042
Debentures, 5.35%, due 2048 [Member] |  |
Debentures | $ 543 |
Interest rate on debt | 5.35% |
Debt maturity date | 2048 |
Debentures, 4.375%, due 2057 [Member] |  |
Debentures | $ 742 | $ 743
Interest rate on debt | 4.375% | 4.375%
Debt maturity date | 2057 | 2057
Debentures, 5.85%, due 2068 [Member] |  |
Debentures | $ 296 |
Interest rate on debt | 5.85% |
Debt maturity date | 2068 |
Other, Average Rate 5.08%, due through 2043 [Member] |  |
Debentures | $ 396 | $ 406
Interest rate on debt | 5.08% | 5.08%
Debt maturity date | 2043 | 2043

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