Capital Stock and Stock-Based Compensation Plans - Summary of Common Stock and Treasury Stock Activity (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Common Stock Outstanding
Common stock balance, January 1 (in shares)	840,480,284	849,893,601	854,701,779
Common stock acquired (in shares)	17,060,788	16,518,163	18,701,843
Shares issued for stock options (in shares)	5,654,692	6,357,793	13,018,354
Shares issued for restricted stock and other (in shares)	1,138,418	747,053	875,311
Common stock balance, December 31 (in shares)	830,212,606	840,480,284	849,893,601
Treasury Stock
Treasury stock balance, January 1 (in shares)	625,226,076	615,812,759	611,004,581
Common stock acquired (in shares)	17,060,788	16,518,163	18,701,843
Shares issued for stock options (in shares)	5,654,692	6,357,793	13,018,354
Shares issued for restricted stock and other (in shares)	1,138,418	747,053	875,311
Treasury stock balance, December 31 (in shares)	635,493,754	625,226,076	615,812,759