Debt (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Debt Disclosure [Abstract]
Loss on early extinguishment of debt	$ 42	$ 0
Senior Notes due November 2025
Debt Disclosure [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	3.80%
Early Repayment of Senior Debt	$ 600
Repayments of Senior Debt	641
Debt Instrument [Line Items]
Repayments of Senior Debt	641
Long-term Debt, Excluding Current Maturities	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	3.80%
Early Repayment of Senior Debt	$ 600
Outstanding balance of Senior Notes due November 2025
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 400

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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
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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