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Commitments | 12 Months Ended
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Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract] |
COMMITMENTS | COMMITMENTS LEASES — The Company and its subsidiaries enter into long-term non-cancelable lease arrangements which, for accounting purposes, are classified as either an operating lease or capital lease. Operating leases primarily include certain transmission lines, office rental and site leases. Operating lease rental expense for the years ended December 31, 2016, 2015, and 2014 was $80 million, $59 million and $48 million, respectively. Capital leases primarily include transmission lines at our subsidiaries in Brazil, vehicles, and office and other operating equipment. Capital leases are recognized in Property, Plant and Equipment within Electric generation, distribution assets and other. The gross value of the capital lease assets as of December 31, 2016 and 2015 was $91 million and $67 million, respectively. The following table shows the future minimum lease payments under operating and capital leases for continuing operations together with the present value of the net minimum lease payments under capital leases as of December 31, 2016 for 2017 through 2021 and thereafter (in millions):
| Future Commitments for
December 31, | Capital Leases |  | Operating Leases
2017 | $ | 25 |  |  | $ | 84 |
2018 | 18 |  |  | 90 |
2019 | 14 |  |  | 91 |
2020 | 11 |  |  | 92 |
2021 | 8 |  |  | 91 |
Thereafter | 89 |  |  | 926 |
Total | $ | 165 |  |  | $ | 1,374 |
Less: Imputed interest | (96 | ) |  |
Present value of total minimum lease payments | $ | 69 |  |  |
CONTRACTS — The Company's operating subsidiaries enter into long-term contracts for construction projects, maintenance and service, transmission of electricity, operations services and purchase of electricity and fuel. In general, these contracts are subject to variable quantities or prices and are terminable only in limited circumstances. Electricity purchase contracts primarily include energy auction agreements at our Brazil subsidiaries with extended terms through 2028. The following table shows the future minimum commitments for continuing operations under these contracts as of December 31, 2016 for 2017 through 2021 and thereafter as well as actual purchases under these contracts for the years ended December 31, 2016, 2015, and 2014 (in millions):
Actual purchases during the year ended December 31, | Electricity Purchase Contracts |  | Fuel Purchase Contracts |  | Other Purchase Contracts
2014 | $ | 2,475 |  |  | $ | 1,521 |  |  | $ | 1,367 |
2015 | 2,120 |  |  | 1,262 |  |  | 2,110 |
2016 | 2,447 |  |  | 1,790 |  |  | 1,093 |
Future commitments for the year ending December 31, |  |  |  |  |
2017 | $ | 2,513 |  |  | $ | 1,609 |  |  | $ | 2,966 |
2018 | 2,507 |  |  | 724 |  |  | 1,865 |
2019 | 2,367 |  |  | 489 |  |  | 1,395 |
2020 | 2,704 |  |  | 451 |  |  | 956 |
2021 | 2,750 |  |  | 465 |  |  | 815 |
Thereafter | 20,265 |  |  | 1,425 |  |  | 6,012 |
Total | $ | 33,106 |  |  | $ | 5,163 |  |  | $ | 14,009 |

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- Definition The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.17) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a)(19)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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