Short And Long-Term Debt Debt Maturities Table (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Maturities of Long-term Debt [Abstract]
2023 (a)	[1]		$ 366
2024			22
2025			184
2026			403
2027			$ 0
Long-term Debt Maturities, Years Presented			5 years
Current portion of long-term debt			$ 366		$ 10
Extended Term Loan A | Scenario, Forecast | Secured Debt
Maturities of Long-term Debt [Abstract]
Debt Instrument, Periodic Payment, Principal		$ 16
Line of Credit | Revolving Credit Facility
Maturities of Long-term Debt [Abstract]
Long-term Line of Credit			$ 350	[2],[3]	$ 0

[1] The current portion of long-term debt of $366 million shown on the Consolidated Balance Sheets consists of $350 million outstanding borrowings under the Revolving Credit Facility as of December 31, 2022 and four quarters of 2023 amortization payments totaling $16 million for the Extended Term Loan A. Outstanding borrowings under the Revolving Credit Facility are classified on the balance sheet as current due to the revolving nature and terms and conditions of the facilities.

[2] As of December 31, 2022, the Company had $1,100 million of borrowing capacity under its Revolving Credit Facility, with $750 million of available capacity. As of December 31, 2022, there were $350 million outstanding borrowings under the Revolving Credit Facility and $42 million of outstanding undrawn letters of credit. On February 22, 2023, the Company had $384 million outstanding borrowings under the Revolving Credit Facility and $35 million of outstanding undrawn letters of credit.

[3] See below under the header "Senior Secured Credit Agreement and Term Loan A Agreement" for additional information.