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Revolving Credit Facility | 3 Months Ended
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Mar. 31, 2019
Revolving Credit Facility [Abstract] |
Long-term Debt | Revolving Credit Facility On March 5, 2019, we entered into a new $3.5 billion five-year revolving credit facility which replaced our $3.0 billion revolving credit facility established in July 2015. The revolving credit facility is for general working capital purposes and expires on March 5, 2024. The full amount of the revolving credit facility was available as of March 31, 2019.

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- Definition Revolving Credit Facility [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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