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Debt (Short-term Commercial Paper Programs and Line of Credit Facility) (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Feb. 03, 2019 | Jan. 28, 2018 | Dec. 08, 2017 | Dec. 07, 2017
Short-term Line of Credit and Commercial Paper Programs [Abstract] |  |  |  |
Short-term debt | $ 1,339 | $ 1,559 |  |
Commercial Paper [Member] |  |  |  |
Short-term Line of Credit and Commercial Paper Programs [Abstract] |  |  |  |
Maximum borrowing capacity of credit facility | $ 3,000 |  |  |
Weighted average interest rate | 2.41% | 1.45% |  |
Maximum amount outstanding at any month-end | $ 2,264 | $ 1,559 |  |
Average daily short-term borrowings | 621 | $ 173 |  |
Revolving Credit Facility [Member] |  |  |  |
Short-term Line of Credit and Commercial Paper Programs [Abstract] |  |  |  |
Maximum borrowing capacity of credit facility | 3,000 |  |  |
Revolving Credit Facility [Member] | 5-year Back-up Credit Facility [Member] |  |  |  |
Short-term Line of Credit and Commercial Paper Programs [Abstract] |  |  |  |
Maximum borrowing capacity of credit facility | $ 2,000 |  | $ 2,000 | $ 2,000
Expiration date of credit facility | Dec. 08, 2022 |  |  |
Revolving Credit Facility [Member] | 364-day Back-up Credit Facility [Member] |  |  |  |
Short-term Line of Credit and Commercial Paper Programs [Abstract] |  |  |  |
Maximum borrowing capacity of credit facility | $ 1,000 |  |  |

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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Weighted average interest rate of short-term debt outstanding calculated at point in time. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period. + References No definition available. + Details
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- Definition For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, maximum month-end borrowings during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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