Capital Stock and Stock-Based Compensation Plans - Summary of Common Stock and Treasury Stock Activity (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Common Stock Outstanding
Common stock balance, January 1 (in shares)	821,412,769	830,212,606	840,480,284
Common stock acquired (in shares)	18,321,422	14,735,909	17,060,788
Shares issued for stock options (in shares)	8,606,699	5,318,430	5,654,692
Shares issued for restricted stock and other (in shares)	876,652	617,642	1,138,418
Common stock balance, December 31 (in shares)	812,574,698	821,412,769	830,212,606
Treasury Stock
Treasury stock balance, January 1 (in shares)	644,293,591	635,493,754	625,226,076
Common stock acquired (in shares)	18,321,422	14,735,909	17,060,788
Shares issued for stock options (in shares)	8,606,699	5,318,430	5,654,692
Shares issued for restricted stock and other (in shares)	876,652	617,642	1,138,418
Treasury stock balance, December 31 (in shares)	653,131,662	644,293,591	635,493,754