Condensed Consolidating Financial Information (Condensed Consolidating Statement of Cash Flows) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019
Cash flows from operating activities:
Net income (loss)	$ (431)	$ 86	$ (4,012)	$ 223
Impairment, restructuring and other costs	242	2	3,426	3
Settlement charges	38	0	38	0
Equity in loss (earnings) of subsidiaries	0	0	0	0
Dividends received from subsidiaries			0	0
Depreciation and amortization			472	472
Gains on sale of real estate	0	(7)	(16)	(49)
Increase (Decrease) in Other Operating Assets and Liabilities, Net			85	(299)
Net cash provided (used) by operating activities			(7)	350
Cash flows from investing activities:
Purchase of property and equipment and capitalized software, net of dispositions			(258)	(442)
Other, net			(14)	(12)
Net cash used by investing activities			(272)	(454)
Cash flows from financing activities:
Debt issued, net of debt issuance costs			2,682
Debt repaid			(1,504)	42
Dividends paid			(117)	(233)
Issuance of common stock				6
Intercompany activity, net			0	0
Other, net			(111)	(128)
Net cash provided (used) by financing activities			950	(397)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect			671	(501)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning of period			731	1,248
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end of period	1,402	747	1,402	747
Parent
Cash flows from operating activities:
Net income (loss)	(431)	86	(4,012)	223
Impairment, restructuring and other costs	0	0	0	0
Settlement charges	0		0
Equity in loss (earnings) of subsidiaries	406	(82)	3,988	(214)
Dividends received from subsidiaries			427	606
Depreciation and amortization			0	0
Gains on sale of real estate		0	0	0
Increase (Decrease) in Other Operating Assets and Liabilities, Net			(647)	(52)
Net cash provided (used) by operating activities			(244)	563
Cash flows from investing activities:
Purchase of property and equipment and capitalized software, net of dispositions			0	0
Other, net			0	0
Net cash used by investing activities			0	0
Cash flows from financing activities:
Debt issued, net of debt issuance costs			1,240
Debt repaid			0	0
Dividends paid			(117)	(233)
Issuance of common stock				6
Intercompany activity, net			(526)	(813)
Other, net			(26)	(92)
Net cash provided (used) by financing activities			571	(1,132)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect			327	(569)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning of period			413	889
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end of period	740	320	740	320
Subsidiary Issuer
Cash flows from operating activities:
Net income (loss)	(597)	(164)	(4,247)	(207)
Impairment, restructuring and other costs	85	0	2,807	0
Settlement charges	13		13
Equity in loss (earnings) of subsidiaries	473	108	1,268	138
Dividends received from subsidiaries			300	0
Depreciation and amortization			148	169
Gains on sale of real estate		0	0	(24)
Increase (Decrease) in Other Operating Assets and Liabilities, Net			1,046	47
Net cash provided (used) by operating activities			1,335	123
Cash flows from investing activities:
Purchase of property and equipment and capitalized software, net of dispositions			(48)	(97)
Other, net			0	(11)
Net cash used by investing activities			(48)	(108)
Cash flows from financing activities:
Debt issued, net of debt issuance costs			1,493
Debt repaid			1,503	42
Dividends paid			0	0
Issuance of common stock				0
Intercompany activity, net			(1,256)	93
Other, net			(50)	(21)
Net cash provided (used) by financing activities			(1,316)	30
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect			(29)	45
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning of period			64	64
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end of period	35	109	35	109
Other Subsidiaries
Cash flows from operating activities:
Net income (loss)	(282)	138	(1,009)	283
Impairment, restructuring and other costs	157	2	619	3
Settlement charges	25		25
Equity in loss (earnings) of subsidiaries	0	0	0	0
Dividends received from subsidiaries			0	0
Depreciation and amortization			324	303
Gains on sale of real estate		(7)	(16)	(25)
Increase (Decrease) in Other Operating Assets and Liabilities, Net			(314)	(294)
Net cash provided (used) by operating activities			(371)	270
Cash flows from investing activities:
Purchase of property and equipment and capitalized software, net of dispositions			(210)	(345)
Other, net			(14)	(1)
Net cash used by investing activities			(224)	(346)
Cash flows from financing activities:
Debt issued, net of debt issuance costs			(51)
Debt repaid			1	0
Dividends paid			(727)	(606)
Issuance of common stock				0
Intercompany activity, net			1,782	720
Other, net			(35)	(15)
Net cash provided (used) by financing activities			968	99
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect			373	23
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning of period			254	295
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end of period	627	318	627	318
Consolidating Adjustments
Cash flows from financing activities:
Debt repaid			0
Consolidating Adjustments
Cash flows from operating activities:
Net income (loss)	879	26	5,256	(76)
Impairment, restructuring and other costs	0	0	0	0
Settlement charges	0		0
Equity in loss (earnings) of subsidiaries	(879)	(26)	(5,256)	76
Dividends received from subsidiaries			(727)	(606)
Depreciation and amortization			0	0
Gains on sale of real estate		0	0	0
Increase (Decrease) in Other Operating Assets and Liabilities, Net			0	0
Net cash provided (used) by operating activities			(727)	(606)
Cash flows from investing activities:
Purchase of property and equipment and capitalized software, net of dispositions			0	0
Other, net			0	0
Net cash used by investing activities			0	0
Cash flows from financing activities:
Debt issued, net of debt issuance costs			0
Debt repaid				0
Dividends paid			727	606
Issuance of common stock				0
Intercompany activity, net			0	0
Other, net			0	0
Net cash provided (used) by financing activities			727	606
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect			0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning of period			0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end of period	$ 0	$ 0	$ 0	$ 0