v3.20.1

Debt Senior Unsecured Notes (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  | $ 10,259 |  | $ 11,857
Repayments of unsecured debt |  | 623 | $ 44 |
2023 Senior Unsecured Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt | [1] | 0 |  | 623
Repayments of unsecured debt |  | 623 |  |
2024 Senior Unsecured Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  | 479 |  | 479
2025 Senior Unsecured Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  | 1,174 |  | 1,174
2028 Senior Unsecured Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt | [1] | 1,388 |  | 1,387
Senior Unsecured Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  | $ 3,041 |  | $ 3,663
[1] | On January 21, 2020, we redeemed the outstanding $623 million in aggregate principal amount of our 2023 Senior Unsecured Notes, which was included in debt, current portion on our Consolidated Condensed Balance Sheet at December 31, 2019, with the proceeds from the 2028 Senior Unsecured Notes, which was included in cash and cash equivalents on our Consolidated Condensed Balance Sheet at December 31, 2019.

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