Tax Matters (Tax Contingencies) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Income Tax Contingency [Line Items]
Net liabilities associated with uncertain tax positions		$ 214		$ 209		$ 192
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, January 1		(209)	[1]	(194)	[1]	(189)
Increases based on tax positions taken during a prior period	[2]	(1)		(27)		(20)
Decreases based on tax positions taken during a prior period	[2]	0		20		9
Increases based on tax positions taken during the current period	[2]	(7)		(13)		(4)
Settlements		1		0		7
Lapse in statute of limitations		3		5		3
Balance, December 31	[1]	(213)		(209)		(194)
Net interest expense		12		10		4
Gross accrued interest		37		26		16
Gross accrued penalties		1		1		3
Other Noncurrent Assets [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, January 1		0		(11)
Balance, December 31		(1)		0		(11)
Noncurrent Deferred Tax Assets
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, January 1				(2)
Balance, December 31						(2)
Other Taxes Payable
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, January 1		(209)		(192)
Balance, December 31		$ (213)		$ (209)		$ (192)

[1] In 2024, included in Other taxes payable ($213 million). In 2023, included in Other taxes payable ($209 million). In 2022, included in Noncurrent deferred tax assets and Other noncurrent assets ($2 million) and Other taxes payable ($192 million).

[2] Primarily included in Provision for taxes on income.