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Long-term Commitments (Operating Lease Agreements) (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Gross Rental Commitments |
2019, Gross Rental Commitments | $ 361
2020, Gross Rental Commitments | 340
2021, Gross Rental Commitments | 277
2022, Gross Rental Commitments | 252
2023, Gross Rental Commitments | 214
Subsequent years, Gross Rental Commitments | 753
Rental from Subleases |
2019, Rentals from Subleases | 32
2020, Rentals from Subleases | 31
2021, Rentals from Subleases | 12
2022, Rentals from Subleases | 10
2023, Rentals from Subleases | 9
Subsequent years, Rentals from Subleases | 32
Net Rental Commitments |
2019, Net Rental Commitments | 329
2020, Net Rental Commitments | 309
2021, Net Rental Commitments | 265
2022, Net Rental Commitments | 242
2022, Net Rental Commitments | 205
Subsequent years, Net Rental Commitments | $ 721

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