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Supplementary Information - Summary of Other Assets (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Segment Reporting [Abstract] |  |
Investments in APS projects | $ 1,786 | $ 1,713
Pension and other postretirement | 1,034 | 360
Operating lease, asset | 553 | 710
Multiclient seismic data | 154 | 317
Fair value of hedge contracts | 66 | 427
Other | 590 | 666
Total other assets | $ 4,183 | $ 4,193

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