Share-Based Associate Compensation Plans (Stock Option Information) (Details) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Shares
Outstanding at beginning of year (in shares) | shares	3,601
Granted (in shares) | shares	464
Exercised (in shares) | shares	(415)
Forfeited or expired (in shares) | shares	(98)
Outstanding at end of year (in shares) | shares	3,552
Options exercisable at end of period (in shares) | shares	2,599
Weighted-average exercise price
Outstanding at beginning of year (in dollars per share) | $ / shares	$ 72.55
Granted (in dollars per share) | $ / shares	96.32
Exercised (in dollars per share) | $ / shares	50.51
Forfeited or expired (in dollars per share) | $ / shares	62.00
Outstanding at end of year (in dollars per share) | $ / shares	78.52
Options exercisable at end of period (in dollars per share) | $ / shares	$ 70.99
Aggregate intrinsic value
Outstanding at end of year | $	$ 126
Options exercisable at end of period | $	$ 112
Weighted-average remaining contractual life
Outstanding option shares at December 31, 2021	5 years 11 months 19 days
Options exercisable at end of period	5 years 25 days