XML 50 R39.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Basis of Presentation - Adoption of New Accounting Standards - Narrative (Details) $ in Millions | Jan. 01, 2018 USD ($)
--- | ---
Accounting Standards Update 2014-09 |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect of new accounting principle in period of adoption | $ 5
Accounting Standards Update 2016-01 |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect of new accounting principle in period of adoption | 8
Accounting Standards Update 2016-16 |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect of new accounting principle in period of adoption | 54
Accounting Standards Update 2017-12 | New Accounting Pronouncement, Early Adoption, Effect |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect of new accounting principle in period of adoption | $ (11)

X
- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. + References No definition available. + Details
Name: | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_AccountingStandardsUpdate201409Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201601Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201616Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201712Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_NewAccountingPronouncementEarlyAdoptionAxis=us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |