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SEGMENTED INFORMATION - Revenue Allocation (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of geographical areas [line items] |  |
Revenue | $ 75,731 | $ 62,752
UNITED STATES |  |
Disclosure of geographical areas [line items] |  |
Revenue | 19,694 | 18,048
Canada |  |
Disclosure of geographical areas [line items] |  |
Revenue | 7,548 | 5,906
United Kingdom |  |
Disclosure of geographical areas [line items] |  |
Revenue | 21,497 | 16,032
Brazil |  |
Disclosure of geographical areas [line items] |  |
Revenue | 3,730 | 3,323
Other Europe |  |
Disclosure of geographical areas [line items] |  |
Revenue | 8,491 | 6,191
Australia |  |
Disclosure of geographical areas [line items] |  |
Revenue | 5,892 | 5,528
INDIA |  |
Disclosure of geographical areas [line items] |  |
Revenue | 2,520 | 1,284
Colombia |  |
Disclosure of geographical areas [line items] |  |
Revenue | 1,890 | 1,762
Other Asia |  |
Disclosure of geographical areas [line items] |  |
Revenue | 2,708 | 2,388
Other |  |
Disclosure of geographical areas [line items] |  |
Revenue | $ 1,761 | $ 2,290

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