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Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Jan. 01, 2019 | Dec. 31, 2018
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | $ 654 |  | $ 654 |  |  |
Operating lease liability | 685 |  | 685 |  |  |
Financing lease liability | 93 |  | 93 |  |  |
Operating lease expense | 53 | $ 41 | 102 | $ 79 |  |
Amortization of financing lease right-of-use assets | 2 | 1 | 6 | 2 |  |
Interest expense on financing lease liabilities | 2 | 1 | 4 | 2 |  |
Property, plant and equipment, net | 4,630 |  | 4,630 |  |  | $ 4,688
Energy Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 47 |  | 47 |  | $ 56 |
Operating lease liability | $ 46 |  | $ 46 |  | 56 |
Operating lease weighted average lease term, lessee | 4 years 2 months 12 days |  | 4 years 2 months 12 days |  |  |
Operating lease weighted average discount rate, lessee (percent) | 5.90% |  | 5.90% |  |  |
Financing lease right-of-use asset |  |  |  |  | 26 |
Financing lease liability |  |  |  |  | 23 |
Property, plant and equipment, net | $ 2,950 |  | $ 2,950 |  |  | 3,027
Automotive Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 541 |  | 541 |  | 589 |
Operating lease liability | $ 569 |  | $ 569 |  | 621 |
Operating lease weighted average lease term, lessee | 5 years 6 months |  | 5 years 6 months |  |  |
Operating lease weighted average discount rate, lessee (percent) | 5.60% |  | 5.60% |  |  |
Financing lease right-of-use asset |  |  |  |  | 24 |
Financing lease liability |  |  |  |  | 27 |
Property, plant and equipment, net | $ 939 |  | $ 939 |  |  | 941
Food Packaging Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 33 |  | 33 |  | 35 |
Operating lease liability | $ 37 |  | $ 37 |  | 39 |
Operating lease weighted average lease term, lessee | 13 years |  | 13 years |  |  |
Operating lease weighted average discount rate, lessee (percent) | 7.30% |  | 7.30% |  |  |
Financing lease right-of-use asset |  |  |  |  | 1 |
Financing lease liability |  |  |  |  | $ 1 |
Property, plant and equipment, net | $ 166 |  | $ 166 |  |  | 169
Other Segments and Holding Company |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset | 33 |  | 33 |  |  |
Operating lease liability | 33 |  | 33 |  |  |
Real Estate Segment |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Property, plant and equipment, net | 382 |  | 382 |  |  | 367
Operating lease rental revenue | 8 | $ 11 | 16 | $ 21 |  |
Operating lease minimum lease payments to be received in remainder of 2019 | 17 |  | 17 |  |  |
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 | 654 |  | 654 |  |  | 0
Accrued expenses and other liabilities |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease liability | 685 |  | 685 |  |  | 0
Property, plant and equipment, net |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Financing lease right-of-use asset | 79 |  | 79 |  |  | 51
Debt |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Financing lease liability | $ 93 |  | $ 93 |  |  | $ 51

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