Supplemental Disclosure (Details 1) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Aug. 01, 2014	Aug. 02, 2013
Supplemental disclosures of cash flow information
Cash paid for interest, net of amount capitalized	$ 248	$ 226
Cash paid for income taxes, net	797	746
Non-cash investing and financing activities:
Non-cash property acquisitions, including assets acquired under capital lease	4	6
Cash dividends declared but not paid	$ 229	$ 192