Income Tax (Pre-tax Income Foreign and Domestic) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic									$ 572	$ 898	$ 294
Income (Loss) from Continuing Operations before Income Taxes, Foreign									408	262	424
Income before income taxes	$ 225	$ 214	$ 269	$ 272	$ 164	$ 380	$ 265	$ 351	$ 980	$ 1,160	$ 718