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v3.20.4

Supplemental Cash Flow Information - Net change (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Net change in proceeds managed |  |  |
Net change in fixed income securities | $ 0 | $ 80 | $ 234
Net change in short-term investments | 592 | (451) | (568)
Operating cash flow provided (used) | 592 | (371) | (334)
Net change in cash | (12) | 0 | 0
Net change in proceeds managed | 580 | (371) | (334)
Net change in liabilities |  |  |
Liabilities for collateral, beginning of year | (1,829) | (1,458) | (1,124)
Liabilities for collateral, end of year | (1,249) | (1,829) | (1,458)
Operating cash flow (used) provided | $ (580) | $ 371 | $ 334

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- Definition The net operating cash flow provided or used related to collateral received in conjunction with the entity's securities lending and over-the-counter derivatives. + References No definition available. + Details
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- Definition The net change in the proceeds managed related to collateral received in conjunction with the entity's securities lending and over-the-counter derivatives. + References No definition available. + Details
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- Definition The net change in short-term investments from the proceeds managed related to collateral received in conjunction with the entity's securities lending and over-the-counter derivatives. + References No definition available. + Details
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