Income Taxes - Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Accrued expenses not currently deductible	$ 76	$ 69
Interest carryforwards	276	174
Net operating losses	44	44
Capital loss carryforwards	1	1
Accrued retirement benefits	150	85
Operating lease liabilities	120	125
Deferred compensation	93	97
Share-based compensation	25	18
Financial derivative transactions	2	4
Gross deferred tax assets	787	617
Less: valuation allowance	(35)	(28)
Net deferred tax assets	752	589
Deferred tax liabilities:
Cost of intangible assets, net of related amortization	604	679
Operating lease right-of-use assets	103	106
Cost of tangible assets, net of related depreciation	24	44
Prepaid retirement benefits	129	142
Accrued revenue not currently taxable	319	262
Unremitted earnings	29	36
Deferred tax liabilities	1,208	1,269
Net deferred tax liabilities	$ 456	$ 680