XML 57 R40.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Recently Adopted Accounting Pronouncements (Narrative) (Details) $ in Millions | 12 Months Ended
--- | ---
Jan. 29, 2017 USD ($)
Accounting Standards Update 2015-03 [Member] | Other Noncurrent Assets [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Impact due to adoption of ASU | $ 99
Accounting Standards Update 2015-03 [Member] | Long-term Debt [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Impact due to adoption of ASU | (99)
Accounting Standards Update 2015-17 [Member] | Other Current Assets [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Impact due to adoption of ASU | 509
Accounting Standards Update 2015-17 [Member] | Other Noncurrent Assets [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Impact due to adoption of ASU | (32)
Accounting Standards Update 2015-17 [Member] | Other Current Liabilities [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Impact due to adoption of ASU | (2)
Accounting Standards Update 2015-17 [Member] | Other Noncurrent Liabilities [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Impact due to adoption of ASU | $ (475)

X
- Definition Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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
Name: | us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201503Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_LongTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201517Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |