v3.10.0.1

Debt (Tables) | 9 Months Ended
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Sep. 30, 2018
Debt Disclosure [Abstract] |
Carrying value of outstanding debt | The following table summarizes the carrying value of our outstanding debt (in millions, except percentages):
|  | Coupon |  | As of |  | Effective |  | As of |  | Effective
|  | Rate |  | September 30, 2018 |  | Interest Rate |  | December 31, 2017 |  | Interest Rate
Long-Term Debt |  |  |  |  |  |  |  |  |  |
Floating Rate Notes: |  |  |  |  |  |  |  |  |  |
Senior notes due 2019 |  | LIBOR plus 0.48% |  | $ | 400 |  |  | 2.925 | % |  | $ | 400 |  |  | 1.955 | %
Senior notes due 2023 |  | LIBOR plus 0.87% |  | 400 |  |  | 3.317 | % |  | 400 |  |  | 2.349 | %
Fixed Rate Notes: |  |  |  |  |  |  |  |  |  |
Senior notes due 2018 |  | 2.500% |  | — |  |  |  |  | 750 |  |  | 2.775 | %
Senior notes due 2019 |  | 2.200% |  | 1,150 |  |  | 2.346 | % |  | 1,150 |  |  | 2.346 | %
Senior notes due 2020 |  | 3.250% |  | 500 |  |  | 3.389 | % |  | 500 |  |  | 3.389 | %
Senior notes due 2020 |  | 2.150% |  | 500 |  |  | 2.344 | % |  | 500 |  |  | 2.344 | %
Senior notes due 2021 |  | 2.875% |  | 750 |  |  | 2.993 | % |  | 750 |  |  | 2.993 | %
Senior notes due 2022 |  | 3.800% |  | 750 |  |  | 3.989 | % |  | 750 |  |  | 3.989 | %
Senior notes due 2022 |  | 2.600% |  | 1,000 |  |  | 2.678 | % |  | 1,000 |  |  | 2.678 | %
Senior notes due 2023 |  | 2.750% |  | 750 |  |  | 2.866 | % |  | 750 |  |  | 2.866 | %
Senior notes due 2024 |  | 3.450% |  | 750 |  |  | 3.531 | % |  | 750 |  |  | 3.531 | %
Senior notes due 2027 |  | 3.600% |  | 850 |  |  | 3.689 | % |  | 850 |  |  | 3.689 | %
Senior notes due 2042 |  | 4.000% |  | 750 |  |  | 4.114 | % |  | 750 |  |  | 4.114 | %
Senior notes due 2056 |  | 6.000% |  | 750 |  |  | 6.547 | % |  | 750 |  |  | 6.547 | %
Total senior notes |  |  |  | 9,300 |  |  |  |  | 10,050 |  |  |
Hedge accounting fair value adjustments |  |  |  | (32 | ) |  |  |  | 2 |  |  |
Unamortized discount and debt issuance costs |  |  |  | (57 | ) |  |  |  | (68 | ) |  |
Less: Current portion of long-term debt |  |  |  | (1,550 | ) |  |  |  | (750 | ) |  |
Total long-term debt |  |  |  | 7,661 |  |  |  |  | 9,234 |  |  |
Short-Term Debt |  |  |  |  |  |  |  |  |  |
Current portion of long-term debt |  |  |  | 1,550 |  |  |  |  | 750 |  |  |
Hedge accounting fair value adjustments |  |  |  | (9 | ) |  |  |  | — |  |  |
Unamortized discount and debt issuance costs |  |  |  | (2 | ) |  |  |  | — |  |  |
Other indebtedness |  |  |  | 7 |  |  |  |  | 31 |  |  |
Total short-term debt |  |  |  | 1,546 |  |  |  |  | 781 |  |  |
Total Debt |  |  |  | $ | 9,207 |  |  |  |  | $ | 10,015 |  |  |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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