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Rental Income under Operating Leases (Tables) | 12 Months Ended
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Dec. 31, 2017
Rental Income Under Operating Leases [Abstract] |
Schedule of Property Subject to or Available for Operating Lease |
| December 31, 2017 |  | December 31, 2016
| (in millions)
Land | $ | 354 |  |  | $ | 303 |
Buildings and improvements | 254 |  |  | 224 |
Equipment | 53 |  |  | 137 |
Total property and equipment | 661 |  |  | 664 |
Less: accumulated depreciation | (90 | ) |  | (121 | )
Property and equipment, net | $ | 571 |  |  | $ | 543 |
Schedule of Minimum Future Rental Income | Minimum future rental income under non-cancelable operating leases as of December 31, 2017 is as follows (in millions):
2018 | $ | 56 |
2019 | 41 |
2020 | 23 |
2021 | 11 |
2022 | 7 |
Thereafter | 6 |
Total minimum future rentals | $ | 144 |

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- Definition Tabular disclosure of minimum future rental income expected to be received in succeeding fiscal years. + References No definition available. + Details
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- Definition Tabular disclosure of lessor's property under leasing agreements and property available for lease (not currently under lease) by property class, the gross amount, accumulated depreciation and net amount of as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718 + Details
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