SEGMENTED INFORMATION - Summary of Operating Results by Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 |
Disclosure of operating segments [line items] | | | | |
Revenues | $ 817 | $ 764 | $ 1,656 | $ 1,617 |
Other income | 5 | 14 | 19 | 24 |
Direct operating costs | (249) | (264) | (587) | (543) |
Share of Adjusted EBITDA from equity-accounted investments | 5 | 6 | 13 | 13 |
Management service costs | (47) | (36) | (102) | (65) |
Interest expense | (168) | (189) | (336) | (357) |
Current tax expenses | (18) | 5 | (31) | (14) |
Share of interest and cash taxes from equity-accounted investments | (2) | (3) | (4) | (5) |
Share of Funds From Operations attributable to non-controlling interests | (204) | (192) | (363) | (417) |
Depreciation | (275) | (254) | (565) | (513) |
Foreign exchange and financial instruments gain (loss) | (18) | (41) | 16 | (6) |
Deferred income tax recovery (expense) | 2 | (8) | 19 | (49) |
Other | (31) | 24 | (177) | 15 |
Dividends on class A exchangeable shares | (52) | | (104) | |
Remeasurement of BEPC exchangeable and class B shares | 694 | 0 | 788 | 0 |
Share of earnings from equity-accounted investments | (4) | (3) | (8) | (7) |
Net income attributable to non-controlling interests | 156 | 188 | 368 | 380 |
Net income (loss) attributable to the partnership | 611 | 11 | 602 | 73 |
Share earnings (loss) from equity-accounted investments | (1) | 0 | 1 | 1 |
Net income (loss) attributable to participating non-controlling interests | (48) | 4 | 5 | 37 |
Attributable to the partnership | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 373 | 248 | 742 | 564 |
Other income | 11 | 9 | 24 | 13 |
Direct operating costs | (128) | (95) | (259) | (201) |
Share of Adjusted EBITDA from equity-accounted investments | 0 | 0 | 0 | 0 |
Adjusted EBITDA | 256 | 162 | 507 | 376 |
Management service costs | (47) | (25) | (102) | (44) |
Interest expense | (63) | (32) | (128) | (72) |
Current tax expenses | (7) | 0 | (12) | (7) |
Share of interest and cash taxes from equity-accounted investments | 0 | 0 | 0 | 0 |
Share of Funds From Operations attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Funds From Operations | 139 | 105 | 265 | 253 |
Depreciation | (122) | (70) | (248) | (145) |
Foreign exchange and financial instruments gain (loss) | (25) | (8) | (27) | 7 |
Deferred income tax recovery (expense) | 8 | (6) | 21 | (24) |
Other | (31) | (10) | (93) | (18) |
Dividends on class A exchangeable shares | (52) | | (104) | |
Remeasurement of BEPC exchangeable and class B shares | 694 | | 788 | |
Share of earnings from equity-accounted investments | 0 | 0 | 0 | 0 |
Net income attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Net income (loss) attributable to the partnership | 611 | 11 | 602 | 73 |
Interest expense including dividends on class A exchangeable shares | 220 | | 440 | |
Contribution from equity-accounted investments | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | (9) | (11) | (22) | (23) |
Other income | 0 | 0 | 0 | 0 |
Direct operating costs | 4 | 5 | 9 | 10 |
Share of Adjusted EBITDA from equity-accounted investments | 5 | 6 | 13 | 13 |
Adjusted EBITDA | 0 | 0 | 0 | 0 |
Management service costs | 0 | 0 | 0 | 0 |
Interest expense | 2 | 3 | 4 | 5 |
Current tax expenses | 0 | 0 | 0 | 0 |
Share of interest and cash taxes from equity-accounted investments | (2) | (3) | (4) | (5) |
Share of Funds From Operations attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Funds From Operations | 0 | 0 | 0 | 0 |
Depreciation | 3 | 2 | 6 | 5 |
Foreign exchange and financial instruments gain (loss) | 1 | 1 | 2 | 2 |
Deferred income tax recovery (expense) | 0 | 0 | 0 | 0 |
Other | 0 | 0 | 0 | 0 |
Dividends on class A exchangeable shares | 0 | | 0 | |
Remeasurement of BEPC exchangeable and class B shares | 0 | | 0 | |
Share of earnings from equity-accounted investments | (4) | (3) | (8) | (7) |
Net income attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Net income (loss) attributable to the partnership | 0 | 0 | 0 | 0 |
Attributable to non- controlling interests | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 453 | 527 | 936 | 1,076 |
Other income | (6) | 5 | (5) | 11 |
Direct operating costs | (125) | (174) | (337) | (352) |
Share of Adjusted EBITDA from equity-accounted investments | 0 | 0 | 0 | 0 |
Adjusted EBITDA | 322 | 358 | 594 | 735 |
Management service costs | 0 | (11) | 0 | (21) |
Interest expense | (107) | (160) | (212) | (290) |
Current tax expenses | (11) | 5 | (19) | (7) |
Share of interest and cash taxes from equity-accounted investments | 0 | 0 | 0 | 0 |
Share of Funds From Operations attributable to non-controlling interests | (204) | (192) | (363) | (417) |
Funds From Operations | 0 | 0 | 0 | 0 |
Depreciation | (156) | (186) | (323) | (373) |
Foreign exchange and financial instruments gain (loss) | 6 | (34) | 41 | (15) |
Deferred income tax recovery (expense) | (6) | (2) | (2) | (25) |
Other | 0 | 34 | (84) | 33 |
Dividends on class A exchangeable shares | 0 | | 0 | |
Remeasurement of BEPC exchangeable and class B shares | 0 | | 0 | |
Share of earnings from equity-accounted investments | 0 | 0 | 0 | 0 |
Net income attributable to non-controlling interests | 156 | 188 | 368 | 380 |
Net income (loss) attributable to the partnership | 0 | 0 | 0 | 0 |
Hydroelectric | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 463 | 433 | 941 | 1,002 |
Hydroelectric | Attributable to the partnership | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 243 | 216 | 478 | 509 |
Other income | 10 | 9 | 17 | 13 |
Direct operating costs | (96) | (82) | (179) | (175) |
Share of Adjusted EBITDA from equity-accounted investments | 0 | 0 | 0 | 0 |
Adjusted EBITDA | 157 | 143 | 316 | 347 |
Management service costs | 0 | 0 | 0 | 0 |
Interest expense | (31) | (28) | (67) | (63) |
Current tax expenses | (5) | 2 | (10) | (5) |
Share of interest and cash taxes from equity-accounted investments | 0 | 0 | 0 | 0 |
Share of Funds From Operations attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Funds From Operations | 121 | 117 | 239 | 279 |
Depreciation | (65) | (55) | (125) | (115) |
Foreign exchange and financial instruments gain (loss) | (18) | (6) | (15) | 9 |
Deferred income tax recovery (expense) | 9 | (7) | 13 | (26) |
Other | (19) | (12) | (23) | (19) |
Dividends on class A exchangeable shares | 0 | | 0 | |
Remeasurement of BEPC exchangeable and class B shares | 0 | | 0 | |
Share of earnings from equity-accounted investments | 0 | 0 | 0 | 0 |
Net income attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Net income (loss) attributable to the partnership | 28 | 37 | 89 | 128 |
Wind | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 144 | 141 | 346 | 279 |
Wind | Attributable to the partnership | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 47 | 18 | 113 | 29 |
Other income | 0 | 0 | 4 | 0 |
Direct operating costs | (8) | (5) | (33) | (11) |
Share of Adjusted EBITDA from equity-accounted investments | 0 | 0 | 0 | 0 |
Adjusted EBITDA | 39 | 13 | 84 | 18 |
Management service costs | 0 | 0 | 0 | 0 |
Interest expense | (10) | (3) | (20) | (6) |
Current tax expenses | (2) | (1) | (2) | (1) |
Share of interest and cash taxes from equity-accounted investments | 0 | 0 | 0 | 0 |
Share of Funds From Operations attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Funds From Operations | 27 | 9 | 62 | 11 |
Depreciation | (27) | (11) | (61) | (21) |
Foreign exchange and financial instruments gain (loss) | (7) | (2) | (18) | (2) |
Deferred income tax recovery (expense) | (1) | 1 | 2 | 2 |
Other | (9) | 1 | (10) | 1 |
Dividends on class A exchangeable shares | 0 | | 0 | |
Remeasurement of BEPC exchangeable and class B shares | 0 | | 0 | |
Share of earnings from equity-accounted investments | 0 | 0 | 0 | 0 |
Net income attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Net income (loss) attributable to the partnership | (17) | (2) | (25) | (9) |
Solar | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 144 | 124 | 252 | 216 |
Solar | Attributable to the partnership | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 49 | | 86 | |
Other income | 1 | | 3 | |
Direct operating costs | (12) | | (24) | |
Share of Adjusted EBITDA from equity-accounted investments | 0 | | 0 | |
Adjusted EBITDA | 38 | | 65 | |
Management service costs | 0 | | 0 | |
Interest expense | (13) | | (27) | |
Current tax expenses | 0 | | 0 | |
Share of interest and cash taxes from equity-accounted investments | 0 | | 0 | |
Share of Funds From Operations attributable to non-controlling interests | 0 | | 0 | |
Funds From Operations | 25 | | 38 | |
Depreciation | (20) | | (42) | |
Foreign exchange and financial instruments gain (loss) | 2 | | 6 | |
Deferred income tax recovery (expense) | 2 | | 1 | |
Other | (3) | | (9) | |
Dividends on class A exchangeable shares | 0 | | 0 | |
Remeasurement of BEPC exchangeable and class B shares | 0 | | 0 | |
Share of earnings from equity-accounted investments | 0 | | 0 | |
Net income attributable to non-controlling interests | 0 | | 0 | |
Net income (loss) attributable to the partnership | 6 | | (6) | |
Energy transition | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 66 | 66 | 117 | 120 |
Energy transition | Attributable to the partnership | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 34 | 14 | 65 | 26 |
Other income | 0 | 0 | 0 | 0 |
Direct operating costs | (12) | (8) | (23) | (15) |
Share of Adjusted EBITDA from equity-accounted investments | 0 | 0 | 0 | 0 |
Adjusted EBITDA | 22 | 6 | 42 | 11 |
Management service costs | 0 | 0 | 0 | 0 |
Interest expense | (5) | (1) | (10) | (3) |
Current tax expenses | 0 | (1) | 0 | (1) |
Share of interest and cash taxes from equity-accounted investments | 0 | 0 | 0 | 0 |
Share of Funds From Operations attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Funds From Operations | 17 | 4 | 32 | 7 |
Depreciation | (10) | (4) | (20) | (9) |
Foreign exchange and financial instruments gain (loss) | (4) | 0 | (3) | (1) |
Deferred income tax recovery (expense) | 0 | 0 | 1 | 0 |
Other | 0 | 1 | (2) | 0 |
Dividends on class A exchangeable shares | 0 | | 0 | |
Remeasurement of BEPC exchangeable and class B shares | 0 | | 0 | |
Share of earnings from equity-accounted investments | 0 | 0 | 0 | 0 |
Net income attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Net income (loss) attributable to the partnership | 3 | 1 | 8 | (3) |
Corporate | Attributable to the partnership | | | | |
Disclosure of operating segments [line items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Other income | 0 | 0 | 0 | 0 |
Direct operating costs | 0 | 0 | 0 | 0 |
Share of Adjusted EBITDA from equity-accounted investments | 0 | 0 | 0 | 0 |
Adjusted EBITDA | 0 | 0 | 0 | 0 |
Management service costs | (47) | (25) | (102) | (44) |
Interest expense | (4) | 0 | (4) | 0 |
Current tax expenses | 0 | 0 | 0 | 0 |
Share of interest and cash taxes from equity-accounted investments | 0 | 0 | 0 | 0 |
Share of Funds From Operations attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Funds From Operations | (51) | (25) | (106) | (44) |
Depreciation | 0 | 0 | 0 | 0 |
Foreign exchange and financial instruments gain (loss) | 2 | 0 | 3 | 1 |
Deferred income tax recovery (expense) | (2) | 0 | 4 | 0 |
Other | 0 | 0 | (49) | 0 |
Dividends on class A exchangeable shares | (52) | | (104) | |
Remeasurement of BEPC exchangeable and class B shares | 694 | | 788 | |
Share of earnings from equity-accounted investments | 0 | 0 | 0 | 0 |
Net income attributable to non-controlling interests | 0 | 0 | 0 | 0 |
Net income (loss) attributable to the partnership | $ 591 | $ (25) | $ 536 | $ (43) |