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Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Jan. 01, 2019 | Dec. 31, 2018
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | $ 635 |  | $ 635 |  |  |
Operating lease liability | 664 |  | 664 |  |  |
Financing lease liability | 93 |  | 93 |  |  |
Operating lease expense | 48 | $ 48 | 145 | $ 142 |  |
Amortization of financing lease right-of-use assets | 4 | 1 | 10 | 5 |  |
Interest expense on financing lease liabilities | 2 | 2 | 6 | 4 |  |
Property, plant and equipment, net | 4,592 |  | 4,592 |  |  | $ 4,688
Energy Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 48 |  | 48 |  | $ 56 |
Operating lease liability | $ 47 |  | $ 47 |  | 56 |
Operating lease weighted average lease term, lessee | 3 years 10 months 24 days |  | 3 years 10 months 24 days |  |  |
Operating lease weighted average discount rate, lessee (percent) | 5.70% |  | 5.70% |  |  |
Financing lease right-of-use asset |  |  |  |  | 26 |
Financing lease liability |  |  |  |  | 23 |
Property, plant and equipment, net | $ 2,919 |  | $ 2,919 |  |  | 3,027
Automotive Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 521 |  | 521 |  | 589 |
Operating lease liability | $ 547 |  | $ 547 |  | 621 |
Operating lease weighted average lease term, lessee | 5 years 3 months 18 days |  | 5 years 3 months 18 days |  |  |
Operating lease weighted average discount rate, lessee (percent) | 5.70% |  | 5.70% |  |  |
Financing lease right-of-use asset |  |  |  |  | 20 |
Financing lease liability |  |  |  |  | 22 |
Property, plant and equipment, net | $ 936 |  | $ 936 |  |  | 941
Food Packaging Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 34 |  | 34 |  | 35 |
Operating lease liability | $ 38 |  | $ 38 |  | 39 |
Operating lease weighted average lease term, lessee | 12 years 8 months 12 days |  | 12 years 8 months 12 days |  |  |
Operating lease weighted average discount rate, lessee (percent) | 7.50% |  | 7.50% |  |  |
Financing lease liability |  |  |  |  | $ 0 |
Property, plant and equipment, net | $ 160 |  | $ 160 |  |  | 169
Other Segments and Holding Company |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 32 |  | 32 |  |  |
Operating lease liability | 32 |  | 32 |  |  |
Real Estate Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Property, plant and equipment, net | 387 |  | 387 |  |  | 367
Operating lease rental revenue | 9 | $ 9 | 25 | $ 30 |  |
Operating lease minimum lease payments to be received in remainder of 2019 | 9 |  | 9 |  |  |
Operating lease minimum lease payments to be received in 2020 | 33 |  | 33 |  |  |
Operating lease minimum lease payments to be received after 2020 | 10 |  | 10 |  |  |
Assets leased to others | Real Estate Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Property, plant and equipment, net | 220 |  | 220 |  |  | 217
Other assets |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 635 |  | 635 |  |  | 0
Accrued expenses and other liabilities |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease liability | 664 |  | 664 |  |  | 0
Property, plant and equipment, net |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Financing lease right-of-use asset | 80 |  | 80 |  |  | 41
Debt |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Financing lease liability | $ 93 |  | $ 93 |  |  | $ 52

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