Fair Value - Schedule of Fair Value Measurement Inputs and Valuation Techniques (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate bonds	$ 9,061	$ 8,995
Interest rate & other derivative — non-qualifying hedges	547	159
Fair value of derivative financial instruments	791	486
Fair Value, Recurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate bonds	9,061	8,995
Interest rate & other derivative — non-qualifying hedges	547	159
Fair value of derivative financial instruments	791	486
Fair Value, Recurring \| Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate bonds	500	536
Fair Value, Recurring \| Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate bonds	160	174
Interest rate & other derivative — non-qualifying hedges	1	0
Fair value of derivative financial instruments	1	0
Fair Value, Recurring \| Level 3 \| Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate bonds	$ 160	$ 174

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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