Capital Stock (Schedule of Issued Repurchased and Outstanding Shares) (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Common Stock, Shares Outstanding [Roll Forward]
Beginning balance, Shares Issued (in shares)	2,805,961,317	2,805,961,317	2,805,961,317
Beginning balance, Shares Repurchased (in shares)	(1,042,499,542)	(1,020,427,195)	(982,785,699)
Beginning balance, Shares Outstanding (in shares)	1,763,461,775	1,785,534,122	1,823,175,618
Stock award activity (in shares)	687,715	676,495	514,816
Repurchases of common stock (in shares)	(73,497,623)	(22,748,842)	(38,156,312)
Ending balance, Shares Issued (in shares)	2,805,961,317	2,805,961,317	2,805,961,317
Ending balance, Shares Repurchased (in shares)	(1,115,309,450)	(1,042,499,542)	(1,020,427,195)
Ending balance, Shares Outstanding (in shares)	1,690,651,867	1,763,461,775	1,785,534,122