Property and Leases - Other Lease Information (Details) - USD ($) $ in Millions	3 Months Ended
May 03, 2020	May 05, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows - operating leases	$ 253	$ 249
Operating cash flows - finance leases	26	23
Financing cash flows - finance leases	27	14
Lease assets obtained in exchange for new operating lease liabilities	294	166
Lease assets obtained in exchange for new finance lease liabilities	$ 306	$ 1

Cash paid for amounts included in the measurement of lease liabilities [Abstract]

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- Definition

Amount of interest paid on finance lease liability.

+ References

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-Publisher FASB
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-Topic 842
-SubTopic 20
-Section 50
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+ Details

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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 5
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-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977

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-Publisher FASB
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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-Subparagraph (c)
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- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

+ References

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-Publisher FASB
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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

+ References

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