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Leases Lessee (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($)
Finance Lease Liabilities, Gross Difference, Amount [Abstract] |
Finance Lease, Liability, Undiscounted Excess Amount | $ 69
Operating Lease Liabilities, Gross Difference, Amount [Abstract] |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 318
Finance Lease, Liability, Payment, Due [Abstract] |
Finance Lease, Liability, Payments, Due Next Twelve Months | 4
Finance Lease, Liability, Payments, Due Year Two | 4
Finance Lease, Liability, Payments, Due Year Three | 4
Finance Lease, Liability, Payments, Due Year Four | 4
Finance Lease, Liability, Payments, Due Year Five | 4
Finance Lease, Liability, Payments, Due after Year Five | 119
Finance Lease, Liability, Payment, Due | 139
Assets and Liabilities, Lessee [Abstract] |
Finance Lease, Right-of-Use Asset | 67
Operating Lease, Right-of-Use Asset | 248
Right-of-use Asset, Operating and Financing | 315
Finance Lease, Liability, Current | 3
Finance Lease, Liability, Noncurrent | 67
Finance Lease, Liability | 70
Operating Lease, Liability, Current | 16
Operating Lease, Liability, Noncurrent | 261
Operating Lease, Liability | 277
Lease Liability, Operating and Financing | 347
Operating Lease, Payments | 48
Lessee, Operating Lease, Liability, Payment, Due [Abstract] |
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months | 29
Lessee, Operating Lease, Liability, Payments, Due Year Two | 27
Lessee, Operating Lease, Liability, Payments, Due Year Three | 27
Lessee, Operating Lease, Liability, Payments, Due Year Four | 26
Lessee, Operating Lease, Liability, Payments, Due Year Five | 26
Lessee, Operating Lease, Liability, Payments, Due after Year Five | 460
Lessee, Operating Lease, Liability, Payments, Due | $ 595
Lease, Cost [Abstract] |
Finance Lease, Weighted Average Remaining Lease Term | 32 years
Operating Lease, Weighted Average Remaining Lease Term | 23 years
Finance Lease, Weighted Average Discount Rate, Percent | 4.99%
Operating Lease, Weighted Average Discount Rate, Percent | 6.99%
Operating Lease, Cost | $ 46
Finance Lease, Right-of-Use Asset, Amortization | 2
Finance Lease, Interest Expense | 2
Short-term Lease, Cost | 38
Variable Lease, Cost | 1
Lease, Cost | $ 89

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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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