Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Weighted average number of shares outstanding - basic	(72)	(78)	(97)
Net loss attributed to noncontrolling interest	$ 0.0	$ 3.0	$ 4.0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	178.0	888.0	1,306.0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0.0	198.0	71.0
Net Income (Loss) Attributable to Parent	$ 178.0	$ 1,086.0	$ 1,377.0
Dilutive effect of employee stock plans	0	0	1
Weighted average number of shares outstanding, diluted	72	78	98
Loss per share from discontinued operations	$ 0	$ 2.52	$ 0.73
Net income per share - diluted	2.46	13.87	14.09
Income per share continuing operations - basic	2.47	11.40	13.46
Loss per share from discontinued operations	0	2.54	0.73
Net income per share - diluted	2.47	13.94	14.19
Income per share continuing operations - diluted	$ 2.46	$ 11.34	$ 13.37
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 178.0	$ 885.0	$ 1,302.0