Long-Term Debt (3.375 Senior Notes due 2030) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Credit Agreement [Line Items]
Long-term Debt, Gross	$ 4,976	$ 5,283
3.375 Senior Notes Due 2030 \| Senior Notes
Credit Agreement [Line Items]
Long-term Debt, Gross	$ 300	$ 300
Stated interest rate (percent)	3.375%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant