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Supplemental guarantor consolidated statement of comprehensive income (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Condensed Statement Of Income Captions [Line Items] |  |  |  |  |
Net profit / (loss) | $ 2,012 | $ 1,827 | $ 1,236 | $ 3,838 | $ 2,833
Total other comprehensive income that may be reclassified to the income statement, net of tax | 475 | (2,012) | 345 | (1,537) | 1,860
Defined benefit plans, net of tax |  |  |  | (130) | (347)
Own credit on financial liabilities designated at fair value, net of tax |  |  |  | 89 | 62
Total other comprehensive income that will not be reclassified to the income statement, net of tax | 116 | (155) | (1,371) | (39) | (289)
Total other comprehensive income | 591 | (2,166) | (1,026) | (1,576) | 1,571
Total comprehensive income | 2,602 | (339) | 209 | 2,263 | 4,404
Comprehensive income attributable to shareholders |  |  |  |  |
Condensed Statement Of Income Captions [Line Items] |  |  |  |  |
Net profit / (loss) | 2,006 | 1,824 | 1,232 | 3,830 | 2,827
Foreign currency translation, net of tax | 255 | (744) | 261 | (489) | 116
Financial assets measured at fair value through other comprehensive income, net of tax | 14 | (102) | 1 | (88) | 149
Cash flow hedges, net of tax | 222 | (1,160) | 95 | (937) | 1,600
Cost of hedging, net of tax | (16) | (6) | (13) | (23) | (4)
Total other comprehensive income that may be reclassified to the income statement, net of tax | 475 | (2,012) | 345 | (1,537) | 1,860
Defined benefit plans, net of tax | (17) | (113) | (500) | (130) | (347)
Own credit on financial liabilities designated at fair value, net of tax | 118 | (29) | (872) | 89 | 62
Total other comprehensive income that will not be reclassified to the income statement, net of tax | 102 | (142) | (1,372) | (40) | (286)
Total other comprehensive income | 576 | (2,154) | (1,027) | (1,577) | 1,575
Total comprehensive income | 2,582 | (330) | 205 | 2,252 | 4,402
Comprehensive income attributable to non-controlling interests |  |  |  |  |
Condensed Statement Of Income Captions [Line Items] |  |  |  |  |
Net profit / (loss) | 6 | 3 | 3 | 9 | 6
Foreign currency translation, net of tax | 14 | (12) | 1 | 2 | (4)
Total other comprehensive income that will not be reclassified to the income statement, net of tax | 14 | (12) | 1 | 2 | (4)
Total comprehensive income | $ 20 | $ (9) | $ 4 | $ 10 | $ 3

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