Nonoperating Income (Expense) (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Other Income and Expenses [Abstract]
Settlement loss			$ 10
Settlement loss, after tax			9
Equity method investment, realized gain	$ 180
Equity method investment, realized gain, after tax	$ 135
Equity method investment, impairment		$ 31	$ 91