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Leases Future Minimum Lease Payments (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Leases [Abstract] |
Capital Leases, Future Minimum Payments Due, Next Twelve Months | $ 6
Contractual Obligation, Due in Next Fiscal Year | 11
Operating Leases, Future Minimum Payments Due, Next Twelve Months | 4
Capital Leases, Future Minimum Payments Due in Two Years | 6
Contractual Obligation, Due in Second Year | 14
Operating Leases, Future Minimum Payments, Due in Two Years | 5
Capital Leases, Future Minimum Payments Due in Three Years | 6
Contractual Obligation, Due in Third Year | 13
Operating Leases, Future Minimum Payments, Due in Three Years | 5
Capital Leases, Future Minimum Payments Due in Four Years | 6
Contractual Obligation, Due in Fourth Year | 13
Operating Leases, Future Minimum Payments, Due in Four Years | 6
Capital Leases, Future Minimum Payments Due in Five Years | 5
Contractual Obligation, Due in Fifth Year | 13
Operating Leases, Future Minimum Payments, Due in Five Years | 7
Capital Leases, Future Minimum Payments Due Thereafter | 67
Contractual Obligation, Due after Fifth Year | 225
Operating Leases, Future Minimum Payments, Due Thereafter | 97
Capital Leases, Future Minimum Payments Due | 96
Contractual Obligation | 289
Operating Leases, Future Minimum Payments Due | 124
Capital Leases, Future Minimum Payments, Interest Included in Payments | (47)
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments | 49
Capital Lease Obligations, Current | (2)
Purchase Commitment, Remaining Minimum Amount Committed | $ 47

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- Definition Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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- Definition Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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- Definition Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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- Definition Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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