Segment Information (Reconciliation of Total Segment Income from Operations to Consolidated Income before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Total reportable segments income from operations	$ (32)	$ 223
Interest expense	(39)	(40)
Other income, net	37	50
Income (loss) before income taxes	(34)	233
Operating Segments
Segment Reporting Information [Line Items]
Total reportable segments income from operations	(15)	232
Other income, net	11	15
Corporate and other
Segment Reporting Information [Line Items]
Total reportable segments income from operations	(17)	(9)
Other income, net	$ 26	$ 35