Annual report pursuant to Section 13 and 15(d)

Accounts Payable and Accrued Liabilities (Changes In Workers' Compensation And General Liability Reserves) (Details)

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Accounts Payable and Accrued Liabilities (Changes In Workers' Compensation And General Liability Reserves) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Accounts Payable and Accrued Liabilities, Current [Abstract]      
Balance, beginning of year $ 508 $ 505 $ 497
Expense for workers compensation and general liability reserves 145 159 160
Payments of workers compensation and general liability reserves (150) (156) (152)
Balance, end of year $ 503 $ 508 $ 505