Net Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net earnings (loss) attributable to common stockholders	$ 438	$ (185)	$ 2,486	$ 212
Basic earnings (loss) per common share:
Weighted-average common shares outstanding	200.2	214.9	205.6	215.3
Net earnings attributable to common stockholders (in dollars per share)	$ 2.19	$ (0.86)	$ 12.09	$ 0.99
Diluted earnings (loss) per common share:
Weighted-average common shares outstanding	200.2	214.9	205.6	215.3
Dilutive common shares—stock options (in shares)	0.7	0.0	0.9	1.1
Diluted weighted-average common shares outstanding	200.9	214.9	206.5	216.4
Net earnings attributable to common stockholders diluted (in dollars per share)	$ 2.18	$ (0.86)	$ 12.04	$ 0.98
Antidilutive securities excluded from computation of EPS (in shares)	0.0	3.5	0.0	1.2