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Equity Accounted Investees, Other Investments and Non-Current Accounts Receivable - Summary of Combined Selected Information of the Statements of Operations (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of associates [line items] |  |  |
Sales | $ 12,970 | $ 13,130 | $ 13,531
Operating earnings | (436) | 986 | 1,407
Income before income tax | (1,274) | 253 | 717
Net income | (1,446) | 179 | 570
Associates [member] |  |  |
Disclosure of associates [line items] |  |  |
Sales | 1,759 | 1,600 | 1,449
Operating earnings | 296 | 237 | 224
Income before income tax | 175 | 158 | 110
Net income | $ 128 | $ 118 | $ 86

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