Fair Value (Nonrecurring Measurements) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended								6 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Sep. 30, 2021	Mar. 31, 2021	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges													$ 1,067	$ 763	$ 1,575
Goodwill impairment expense													12	777	0
Other non-operating expense													0	175	0
Impairment of Long-Lived Assets Held-for-use													1,067	763	1,575
Inventory Write-down	$ 23												6
Buffalo Gap [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													4	0	29
buffalo gap II [Member] [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													0	0	73
AES Panama
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use								$ 11					0	0	11
Angamos [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													0	0	155
buffalo gap III
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													6	0	91
AES PR
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring									$ 73
Impairment of Long-Lived Assets Held-for-use									$ 475				0	0	475
Mountain View Power Partners
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													0	0	67
Ventanas 3 & 4
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													0	0	649
sPower [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Equity Method Investment, Other than Temporary Impairment														175
AES Jordan
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Selling Expense													6	5
Impairment of Long-Lived Assets Held-for-use													59	76	0
TEG
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													$ 77	104	0
TEG | Maximum | Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Fair Value Measurement Inputs, Nonrecurring													9.00%
TEP
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													$ 59	89	0
TEP | Maximum | Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Fair Value Measurement Inputs, Nonrecurring													6.00%
Norgener
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													$ 137	0	0
Norgener | Maximum | Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Fair Value Measurement Inputs, Nonrecurring													994.00%
New York Wind | Maximum | Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Fair Value Measurement Inputs, Nonrecurring													5.00%
Warrior Run | Maximum | Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Fair Value Measurement Inputs, Nonrecurring													74.00%
GAF Projects
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													$ 18	0	0
GAF Projects | Maximum | Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Fair Value Measurement Inputs, Nonrecurring													44.00%
Mong Duong Subsidiary [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Selling Expense														5
AES Clean Energy Development Projects
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use		$ 137											$ 151	18	18
Estimate of Fair Value Measurement [Member] | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	371	371											371
Long Lived Assets Held And Used [Member] | AES Andes
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														644
Long Lived Assets Held And Used [Member] | AES El Salvador
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														133
Long Lived Assets Held And Used [Member] | sPower [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														175
Long Lived Assets Held And Used [Member] | AES Jordan
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges						$ 25	$ 51
Long Lived Assets Held And Used [Member] | Maritza
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges											$ 468
Long Lived Assets Held And Used [Member] | TEG
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges												$ 77		104
Long Lived Assets Held And Used [Member] | TEG | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	93	93											93
Long Lived Assets Held And Used [Member] | TEP
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges												59		89
Long Lived Assets Held And Used [Member] | TEP | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	94	94											94
Long Lived Assets Held And Used [Member] | Norgener
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges										$ 137
Long Lived Assets Held And Used [Member] | Norgener | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	24	24											24
Long Lived Assets Held And Used [Member] | New York Wind
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges													186
Long Lived Assets Held And Used [Member] | New York Wind | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	124	124											124
Long Lived Assets Held And Used [Member] | Warrior Run
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges													198
Long Lived Assets Held And Used [Member] | Warrior Run | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	25	25											25
Long Lived Assets Held And Used [Member] | GAF Projects
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges										18
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Andes
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						644								644
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Andes | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Andes | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Andes | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES El Salvador
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						133								133
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES El Salvador | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES El Salvador | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES El Salvador | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | sPower [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						607								607
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | sPower [Member] | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | sPower [Member] | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | sPower [Member] | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						432								432
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Jordan
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						190	216							190
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Jordan | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring							0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Jordan | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						170	170							170
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Jordan | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring							$ 0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Maritza
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						920								920
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Maritza | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Maritza | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Maritza | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						452								452
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						268								268
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						164								164
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						236								236
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring						$ 147								$ 147
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Buffalo Gap [Member] | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0	0											0
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Angamos [Member] | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring															86
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Mountain View Power Partners | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring															11
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas 3 & 4 | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring															$ 12
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEG
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			$ 170									170
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEP
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			153									153
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | New York Wind
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	310	310											310
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Warrior Run
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	250	250											250
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | GAF Projects
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring				$ 29						29
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | GAF Projects | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	11	11											11
Long Lived Assets Held For Sale [Member] | AES Jordan
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges			14	15	$ 14								16
Assets Carrying Amount Disclosure Nonrecurring	180	180	178	179	179					179		178	180
Long Lived Assets Held For Sale [Member] | AES Jordan | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0	0	0	0	0					0		0	0
Long Lived Assets Held For Sale [Member] | AES Jordan | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	170	170	170	170	170					170		170	170
Long Lived Assets Held For Sale [Member] | AES Jordan | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0	0	$ 0	$ 0	0					$ 0		$ 0	0
Long Lived Assets Held For Sale [Member] | Mong Duong held-dfor-sale [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges		167
Assets Carrying Amount Disclosure Nonrecurring	575	575											575
Long Lived Assets Held For Sale [Member] | Mong Duong held-dfor-sale [Member] | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0	0											0
Long Lived Assets Held For Sale [Member] | Mong Duong held-dfor-sale [Member] | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	413	413											413
Long Lived Assets Held For Sale [Member] | Mong Duong held-dfor-sale [Member] | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0	0											0
Goodwill [Member] | TEG TEP
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges													12
Assets Carrying Amount Disclosure Nonrecurring	12	12											12
Goodwill [Member] | TEG TEP | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0	0											0
Goodwill [Member] | TEG TEP | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0	0											0
Goodwill [Member] | TEG TEP | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	$ 0	$ 0											$ 0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					93
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					94
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Norgener
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					196
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Norgener | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Norgener | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Norgener | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					24
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | New York Wind | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | New York Wind | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | New York Wind | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					124
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Warrior Run | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Warrior Run | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Warrior Run | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					25
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | GAF Projects | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | GAF Projects | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					0
Fair Value, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | GAF Projects | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring					$ 11