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Post-Employment and Other Long-Term Employees Benefits - Changes in Benefit Obligation and Plan Assets (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Change in plan assets: |  |  |
Plan assets at fair value at beginning of year | $ 743 |  |
Plan assets at fair value at end of year | 565 | $ 743 |
Pension Benefits [Member] |  |  |
Change in benefit obligation: |  |  |
Benefit obligation at beginning of year | 1,165 | 1,216 |
Service cost | 33 | 36 | $ 31
Interest cost | 27 | 21 | 21
Employee contributions | 4 | 4 |
Benefits paid | (22) | (25) |
Effect of settlement | (14) | (8) |
Business combination |  | 3 |
Actuarial (gain) loss | (260) | (48) |
Foreign currency translation and other adjustments | (47) | (34) |
Benefit obligation at end of year | 886 | 1,165 | 1,216
Change in plan assets: |  |  |
Plan assets at fair value at beginning of year | 743 | 718 |
Return on plan assets | (157) | 32 |
Employer contributions | 25 | 17 |
Employee contributions | 4 | 4 |
Benefits paid | (9) | (12) |
Effect of settlement | (14) | (8) |
Business combination |  | 2 |
Foreign currency translation and other adjustments | (25) | (10) |
Plan assets at fair value at end of year | 567 | 743 | 718
Funded status | (319) | (422) |
Net amount recognized in the balance sheet consisted of the following: |  |  |
Non-current assets | 9 | 15 |
Current liabilities | (11) | (11) |
Long-term liabilities | (317) | (426) |
Net amount recognized | (319) | (422) |
Other Long-Term Benefit [Member] |  |  |
Change in benefit obligation: |  |  |
Benefit obligation at beginning of year | 94 | 101 |
Service cost | 17 | 13 | 11
Interest cost | 1 | 1 | 1
Benefits paid | (6) | (5) |
Actuarial (gain) loss | (15) |  |
Foreign currency translation and other adjustments | (5) | (16) |
Benefit obligation at end of year | 86 | 94 | $ 101
Change in plan assets: |  |  |
Funded status | (86) | (94) |
Net amount recognized in the balance sheet consisted of the following: |  |  |
Current liabilities | (5) | (4) |
Long-term liabilities | (81) | (90) |
Net amount recognized | $ (86) | $ (94) |

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 + Details
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