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Equity-Indexed Compensation Plans - Compensation Expense (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Other Consolidated Equity-Indexed Compensation Plan Information |  |  |
Equity-indexed compensation expense | $ 60 | $ 27 | $ 98
LTIP unit-settled vestings | 24 | 37 | 53
LTIP cash-settled vestings | 28 | 66 | 53
DER cash payments | 6 | $ 8 | $ 8
Equity-Indexed Compensation Plan Fair Value Amortization |  |  |
2017 | 65 |  |
2018 | 42 |  |
2019 | 19 |  |
2020 | 7 |  |
2021 | 2 |  |
Total | $ 135 |  |

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- Definition The amount of amortization expense expected to be recognized during the fifth twelve-month period following the balance sheet date for the amortization of the unrecognized expense based on fair value of outstanding awards related to equity compensation plans. + References No definition available. + Details
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- Definition The amount of amortization expense expected to be recognized during the fourth twelve-month period following the balance sheet date for the amortization of the unrecognized expense based on fair value of outstanding awards related to equity compensation plans. + References No definition available. + Details
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- Definition The amount of amortization expense expected to be recognized during the twelve-month period following the balance sheet date for the amortization of the unrecognized expense based on fair value of outstanding awards related to equity compensation plans. + References No definition available. + Details
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- Definition The amount of amortization expense expected to be recognized during the third twelve-month period following the balance sheet date for the amortization of the unrecognized expense based on fair value of outstanding awards related to equity compensation plans. + References No definition available. + Details
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- Definition The amount of amortization expense expected to be recognized during the second twelve-month period following the balance sheet date for the amortization of the unrecognized expense based on fair value of outstanding awards related to equity compensation plans. + References No definition available. + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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