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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Apr. 30, 2016 | May. 02, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | $ 12,957 | $ 13,997
Ending balance | 12,545 | 14,174
Net amount of taxes | 283 | 348
Cash Flow Hedges |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (19) |
Other comprehensive income before reclassifications | 0 |
Amounts reclassified from AOCI | 1 |
Ending balance | (18) |
Cash Flow Hedges | Amount reclassified from other comprehensive income |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Net amount of taxes | 1 |
Currency Translation Adjustment |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (22) |
Other comprehensive income before reclassifications | 4 |
Amounts reclassified from AOCI | 0 |
Ending balance | (18) |
Pension and Other Benefits |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (588) |
Other comprehensive income before reclassifications | 3 |
Amounts reclassified from AOCI | 4 |
Ending balance | (581) |
Pension and Other Benefits | Amount reclassified from other comprehensive income |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Net amount of taxes | 2 |
AOCI Attributable to Parent |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (629) | $ (599)
Other comprehensive income before reclassifications | 7 |
Amounts reclassified from AOCI | 5 |
Ending balance | $ (617) |

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
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