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Leases, Additional Information (Details) $ in Millions | Sep. 30, 2019 USD ($)
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ROU assets, net reflected in the following balance sheet line items: |
Operating lease ROU assets, net, balance sheet line item | us-gaap:OtherAssetsNoncurrent
Operating leases - deferred charges and other assets, net | $ 1,338
Current lease liabilities reflected in the following balance sheet line items: |
Current operating lease liabilities, balance sheet line item | us-gaap:AccruedLiabilitiesCurrent
Operating leases - accrued expenses | $ 333
Noncurrent lease liabilities reflected in the following balance sheet line items: |
Noncurrent operating lease liabilities, balance sheet line item | us-gaap:OtherLiabilitiesNoncurrent
Operating leases - other long-term liabilities | $ 970
Operating leases - total lease liabilities | $ 1,303
ROU assets, net reflected in the following balance sheet line items: |
Finance lease ROU assets, net, balance sheet line item | us-gaap:PropertyPlantAndEquipmentNet
Finance leases - property, plant, and equipment, net | $ 787
Current lease liabilities reflected in the following balance sheet line items: |
Current finance lease liabilities, balance sheet line item | us-gaap:DebtCurrent
Finance leases - current portion of debt and finance lease obligations | $ 41
Noncurrent lease liabilities reflected in the following balance sheet line items: |
Noncurrent finance lease liabilities, balance sheet line item | us-gaap:LongTermDebtAndCapitalLeaseObligations
Finance leases - debt and finance lease obligations, less current portion | $ 744
Finance leases - total lease liabilities | $ 785
Operating Leases |
Weighted-average remaining lease term | 7 years 8 months 12 days
Weighted-average discount rate | 5.00%
Finance Leases |
Weighted-average remaining lease term | 20 years
Weighted-average discount rate | 5.20%

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