Income per Share (Details) - shares shares in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Antidilutive shares:
Basic weighted average common shares outstanding	904	892	881
Dilutive effect of awards granted under our stock incentive plans	4	0	0
Diluted weighted average common shares outstanding	908	892	881
Stock Options
Antidilutive shares:
Options with exercise price greater than the average market price	15	22	27
Options which are antidilutive due to net loss position	0	0	1
Total antidilutive shares	15	22	28