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v3.21.2

Postretirement and Other Employee Benefits (Benefit Obligations and Plan Assets, Changes in Benefit Obligation and Plan Assets and Funded Status of Plans) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Aug. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2019
Change in PBO |  |  |
Beginning PBO | $ 559 | $ 175 |
Service cost | 25 | 25 | $ 1
Interest cost | 5 | 3 | 3
Actuarial (gain) loss | 2 | (81) |
Settlements paid from plan assets | (44) | (26) |
Total benefits paid | (17) | (6) |
Plan participants’ contributions | 25 | 14 |
Plan amendments | 24 | 0 |
Acquisitions | 8 | 404 |
Effect of conversion to U.S. dollars | 0 | 51 |
Ending PBO | 587 | 559 | 175
Change in plan assets |  |  |
Beginning fair value of plan assets | 538 | 158 |
Actual return on plan assets | 55 | 7 |
Acquisitions | 0 | 331 |
Settlements paid from plan assets | (44) | (26) |
Employer contributions | 17 | 10 |
Benefits paid from plan assets | (15) | (6) |
Plan participants’ contributions | 25 | 14 |
Effect of conversion to U.S. dollars | 0 | 50 |
Ending fair value of plan assets | 576 | 538 | $ 158
Unfunded status | (11) | (21) |
Amounts recognized in the Consolidated Balance Sheets |  |  |
Accrued benefit liability, current | 1 | 1 |
Accrued benefit liability, noncurrent | 10 | 20 |
Accumulated other comprehensive loss |  |  |
Actuarial (gain) loss, before tax | (69) | (49) |
Prior service cost, before tax | 23 | $ 1 |
Net actuarial gain expected to be amortized to net period benefit cost in next fiscal year | 19 |  |
Prior service cost expected to be amortized to net periodic benefit cost in next fiscal year | $ 4 |  |

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