Long-Term Debt and Short-Term Borrowings - Floating Rate Notes (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2004	Dec. 31, 2022
Floating rate notes due 2027 and 2040 and 2041
Debt instrument [Line Items]
After date of issuance that put options commence (in years)	10 years
Floating rate note due 2044
Debt instrument [Line Items]
Repurchase price of floating rate notes (as a percent)	100.00%
Term of debt instrument (in years)	40 years
Principal amount	$ 60	$ 54
Minimum \| Floating rate notes due 2027 and 2040 and 2041
Debt instrument [Line Items]
Repurchase price of floating rate notes (as a percent)	99.00%	99.00%
Maximum \| Floating rate notes due 2027 and 2040 and 2041
Debt instrument [Line Items]
Repurchase price of floating rate notes (as a percent)	100.00%	100.00%

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant