Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Sep. 26, 2020	Sep. 28, 2019
Basic:
Net income	$ 116	$ 100	$ 89	$ 136	$ 124	$ 115	$ 305	$ 375
Weighted-average shares outstanding (in shares)	53,300,036			54,085,500			53,460,891	53,999,044
Basic earnings per share (USD per share)	$ 2.18			$ 2.52			$ 5.70	$ 6.95
Diluted:
Net income	$ 116	$ 100	$ 89	$ 136	$ 124	$ 115	$ 305	$ 375
Weighted-average shares outstanding (in shares)	53,300,036			54,085,500			53,460,891	53,999,044
Dilutive shares (in shares)	416,270			552,323			486,895	611,047
Diluted weighted-average shares outstanding (in shares)	53,716,306			54,637,823			53,947,786	54,610,091
Diluted earnings per share (USD per share)	$ 2.16			$ 2.50			$ 5.65	$ 6.87
Anti-dilutive options to purchase common shares excluded from diluted earnings per share calculations (in shares)	74,588			92,014			105,219	53,356