Stock Options, Other Stock Awards and Warrants - Stock Options Activities (Details) - Share-based Payment Arrangement, Option - $ / shares shares in Millions	12 Months Ended
	Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of year	2.9	2.8	2.4
Granted (in shares)	0.6	0.6	0.8
Exercised (in shares)	(0.8)	(0.5)	(0.3)
Expired or forfeited (in shares)	(0.9)	0.0	(0.1)
Outstanding at end of year	1.8	2.9	2.8
Exercisable at end of year (in shares)	0.8	2.1	1.5
Weighted average exercise price:
Granted (in dollars per share)	$ 94.89	$ 90.31	$ 96.79
Exercised (in dollars per share)	85.60	65.12	55.82
Expired or forfeited (in dollars per share)	97.16	95.59	94.32
Outstanding at end of year (in dollars per share)	93.62	92.15	88.16
Exercisable at end of year (in dollars per share)	$ 92.95	$ 92.05	$ 82.80