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Consolidated Statements of Changes in Equity - USD ($)
shares in Thousands, $ in Millions
Total
Capital stock
Deficit
Accumulated other comprehensive (loss) income
Other
Total equity attributable to shareholders
Non-controlling interests
Beginning balance, shares at Dec. 31, 2020   1,778,190          
Beginning balance at Dec. 31, 2020 $ 31,710 $ 29,236 $ (7,949) $ 14 [1] $ 2,040 [2] $ 23,341 $ 8,369
Net income 3,288 0 2,022 0 0 2,022 1,266
Total other comprehensive income (37) 0 0 (37) [1] 0 (37) 0
Total comprehensive income 3,251 $ 0 2,022 (37) [1] 0 1,985 1,266
Transactions with owners              
Issued on exercise of stock options, shares   50          
Dividend reinvestment plan, shares   192          
Number of share options exercised in share-based payment arrangement   899          
Total transactions with owners, shares   1,141          
Dividends (note 31) (634) $ 0 (634) 0 0 (634) 0
Return of capital (note 31) (750) (750) 0 0 0 [2] (750) 0
Increase (decrease) through acquisition of subsidiary, equity (171) 0 0 0 (85) [2] (85) (86)
Issued on exercise of stock options, capital stock 0 0 0 0 0 0 0
Funding from non-controlling interests (note 32) 12 0 0 0 0 0 12
Disbursements to non-controlling interests (note 32) (1,111) 0 0 0 0 0 (1,111)
Dividend reinvestment plan (note 31) 0 5 (5) 0 0 0 0
Share-based payments 0 6 0 0 (6) [2] 0 0
Total transactions with owners (2,654) $ (739) (639) 0 (91) [2] (1,469) (1,185)
Ending balance, shares at Dec. 31, 2021   1,779,331          
Ending balance at Dec. 31, 2021 32,307 $ 28,497 (6,566) (23) [1] 1,949 [2] 23,857 8,450
Net income 1,017 0 432 0 0 432 585
Total other comprehensive income 49 0 0 49 [1] 0 49 0
Total comprehensive income 1,066 $ 0 432 49 [1] 0 481 585
Transactions with owners              
Dividend reinvestment plan, shares   269          
Increase (decrease) through share repurchase program, shares   (24,250)          
Total transactions with owners, shares   (23,981)          
Dividends (note 31) (1,143) $ 0 (1,143) 0 0 (1,143) 0
Increase (decrease) through acquisition of subsidiary, equity 329 0 0 0 0 [2] 0  
Disbursements to non-controlling interests (note 32) (846) 0 0 0 0 0 (846)
Dividend reinvestment plan (note 31) 0 5 (5) 0 0 0 0
Share buyback program (note 31) (424) (388) 0 0 (36) [2] (424) 0
Total transactions with owners (2,084) $ (383) (1,148) 0 (36) [2] (1,567) (517)
Ending balance, shares at Dec. 31, 2022   1,755,350          
Ending balance at Dec. 31, 2022 $ 31,289 $ 28,114 $ (7,282) $ 26 [1] $ 1,913 [2] $ 22,771 $ 8,518
[1] Includes cumulative translation adjustments as at December 31, 2022: $93 million loss (December 31, 2021: $94 million loss).
[2] Includes additional paid-in capital as at December 31, 2022: $1,875 million (December 31, 2021: $1,911 million).