Other Financial Data (Earnings Per Common Share) (Details) $ / shares in Units, shares in Millions		3 Months Ended		6 Months Ended
	Aug. 25, 2015 USD ($) $ / shares	Jul. 02, 2016 USD ($) $ / shares shares	Jul. 04, 2015 USD ($) $ / shares shares	Jul. 02, 2016 USD ($) $ / shares shares	Jul. 04, 2015 USD ($) $ / shares shares
Basic earnings (loss) per common share:
Earnings from continuing operations, net of tax | $		$ 107,000,000	$ 150,000,000	$ 124,000,000	$ 238,000,000
Net earnings | $		$ 107,000,000	$ 142,000,000	$ 124,000,000	$ 217,000,000
Weighted average common shares outstanding, basic (shares)		171.9	208.0	173.0	211.7
Continuing operations (US$ per share) | $ / shares		$ 0.62	$ 0.72	$ 0.72	$ 1.12
Basic earnings per share amount (US$ per share) | $ / shares		$ 0.62	$ 0.68	$ 0.72	$ 1.03
Diluted earnings per common share:
Earnings from continuing operations, net of tax | $		$ 107,000,000	$ 150,000,000	$ 124,000,000	$ 238,000,000
Net earnings | $		$ 107,000,000	$ 142,000,000	$ 124,000,000	$ 217,000,000
Weighted average common shares outstanding, basic (shares)		171.9	208.0	173.0	211.7
Add effect of dilutive securities:
Share-based awards (in shares)		2.4	1.5	2.4	2.1
Senior Convertible Notes (in shares)		0.5	0.0	0.3	0.0
Diluted weighted average common shares outstanding (shares)		174.8	209.5	175.7	213.8
Continuing operations (US$ per share) | $ / shares		$ 0.61	$ 0.72	$ 0.71	$ 1.11
Diluted earnings per share amount (US$ per share) | $ / shares		$ 0.61	$ 0.68	$ 0.71	$ 1.01
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive impact of Senior COnvertible Notes (in shares)		0.5	0.0	0.3	0.0
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options excluded from computation of dilutive shares due to antidilutive nature		2.3	1.7	3.2	3.9
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options excluded from computation of dilutive shares due to antidilutive nature		0.6	0.7	0.6	1.2
Senior Convertible Notes | Convertible Notes
Add effect of dilutive securities:
Senior Convertible Notes (in shares)		0.5		0.3
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt instrument face amount | $	$ 1,000,000,000.0
Interest rate	2.00%
Conversion rate	0.0145985
Effective conversion price of convertible shares (US$ per share) | $ / shares	$ 68.50
Dilutive impact of Senior COnvertible Notes (in shares)		0.5		0.3