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Debt - Additional Information (Details) $ in Billions | 6 Months Ended
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Jun. 30, 2019 USD ($)
Debt Instrument [Line Items] |
Percentage of owned subsidiaries guaranteed fixed- and floating-rate notes | 100.00%
Credit facility, maximum borrowing capacity | $ 5.0
Commercial Paper |
Debt Instrument [Line Items] |
Debt instrument, face amount | $ 2.3
Weighted average interest rate | 2.482%
Credit Facility | Committed Bank Credit Facility |
Debt Instrument [Line Items] |
Credit facility, maximum borrowing capacity | $ 2.0
Debt Instrument, Term | 364 days
Credit Facility | Multi-year Facility Expiring November 2020 |
Debt Instrument [Line Items] |
Credit facility, maximum borrowing capacity | $ 1.0
Credit Facility | Multi-year Facility Expiring March 2023 |
Debt Instrument [Line Items] |
Credit facility, maximum borrowing capacity | $ 2.0

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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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