Capital Stock (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Schedule Components of Issued, Repurchased and Outstanding Shares

At December 31, 2023, we had 12 billion shares of authorized common stock; issued, repurchased and outstanding shares of common stock consisted of the following:

	Shares Issued	Shares Repurchased	Shares Outstanding
Balances, December 31, 2020	2,805,961,317	(947,542,152)	1,858,419,165
Stock award activity	—	412,569	412,569
Repurchases of common stock	—	(35,656,116)	(35,656,116)
Balances, December 31, 2021	2,805,961,317	(982,785,699)	1,823,175,618
Stock award activity	—	514,816	514,816
Repurchases of common stock	—	(38,156,312)	(38,156,312)
Balances, December 31, 2022	2,805,961,317	(1,020,427,195)	1,785,534,122
Stock award activity	—	676,495	676,495
Repurchases of common stock	—	(22,748,842)	(22,748,842)
Balances, December 31, 2023	2,805,961,317	(1,042,499,542)	1,763,461,775

Share Repurchases

Our total share repurchase activity was as follows for the years ending December 31:

	January 2023 Share Repurchase Program		January 2021 Share Repurchase Program
(in millions, except per share data)	2023		2022		2021		Total
Total number of shares repurchased	22.7		38.1		35.7		73.8
Aggregate cost of shares repurchased	$	1,000	$	1,825	$	1,675	$	3,500
Average price per share of shares repurchased	$	43.96	$	47.83	$	46.97	$	47.42