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Debt - Public Debt (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
May 03, 2021 | Jan. 15, 2021 | Jun. 30, 2022 | Jun. 30, 2022 | Jun. 30, 2021
Debt Instrument [Line Items] |  |  |  |  |
Payment for early redemption of debt |  |  |  | $ 2 | $ 22
5.400% Notes, due 2021 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Early redemption of debt |  | $ 361 |  |  |
Long-term debt, interest rate |  | 5.40% |  |  |
Accrued interest paid |  | $ 5 |  |  |
5.870% Notes, due 2022 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Early redemption of debt | $ 476 |  |  |  |
Long-term debt, interest rate | 5.87% |  |  |  |
Accrued interest paid | $ 5 |  |  |  |
Payment for early redemption of debt | 503 |  |  |  |
Early termination premium | $ 23 |  |  |  |
5.125% Notes, due 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Early redemption of debt |  |  | $ 60 |  |
Long-term debt, interest rate |  |  | 5.125% | 5.125% |
Payment for early redemption of debt |  |  | $ 62 |  |
Early termination premium |  |  | $ 2 |  |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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