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Business Segments and Geographic Areas - Business Segments (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 1,692 | $ 1,646 | $ 1,724 | $ 2,189 | $ 2,722 | $ 3,306 | $ 3,909 | $ 4,820 | $ 7,251 | $ 14,757 | $ 21,440
Operating profit (loss) |  |  |  |  |  |  |  |  | (2,411) | (390) | 3,613
Capital expenditures |  |  |  |  |  |  |  |  | 284 | 453 | 699
Depreciation and amortization |  |  |  |  |  |  |  |  | 703 | 747 | 778
Goodwill | 6,067 |  |  |  | 6,980 |  |  |  | 6,067 | 6,980 | 8,539
Total assets | 21,140 |  |  |  | 25,970 |  |  |  | 21,140 | 25,970 | 33,562
Rig Systems [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 258 |  |  |  | 1,232 |  |  |  | 258 | 1,232 | 1,236
Rig Aftermarket [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 877 |  |  |  | 877 |  |  |  | 877 | 877 | 877
Wellbore Technologies [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 2,874 |  |  |  | 2,874 |  |  |  | 2,874 | 2,874 | 4,357
Completion & Production Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 2,058 |  |  |  | 1,997 |  |  |  | 2,058 | 1,997 | 2,069
Operating Segments [Member] | Rig Systems [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2,386 | 6,964 | 9,848
Operating profit (loss) |  |  |  |  |  |  |  |  | (969) | 1,322 | 2,118
Capital expenditures |  |  |  |  |  |  |  |  | 20 | 81 | 133
Depreciation and amortization |  |  |  |  |  |  |  |  | 72 | 84 | 86
Goodwill | 258 |  |  |  | 1,232 |  |  |  | 258 | 1,232 | 1,236
Total assets | 3,255 |  |  |  | 6,772 |  |  |  | 3,255 | 6,772 | 8,052
Operating Segments [Member] | Rig Aftermarket [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,416 | 2,515 | 3,222
Operating profit (loss) |  |  |  |  |  |  |  |  | 229 | 652 | 935
Capital expenditures |  |  |  |  |  |  |  |  | 4 | 10 | 12
Depreciation and amortization |  |  |  |  |  |  |  |  | 22 | 23 | 26
Goodwill | 877 |  |  |  | 877 |  |  |  | 877 | 877 | 877
Total assets | 2,072 |  |  |  | 2,455 |  |  |  | 2,072 | 2,455 | 2,789
Operating Segments [Member] | Wellbore Technologies [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2,199 | 3,718 | 5,722
Operating profit (loss) |  |  |  |  |  |  |  |  | (770) | (1,573) | 1,000
Capital expenditures |  |  |  |  |  |  |  |  | 124 | 180 | 262
Depreciation and amortization |  |  |  |  |  |  |  |  | 384 | 403 | 438
Goodwill | 2,874 |  |  |  | 2,874 |  |  |  | 2,874 | 2,874 | 4,357
Total assets | 7,911 |  |  |  | 8,766 |  |  |  | 7,911 | 8,766 | 11,687
Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2,241 | 3,365 | 4,645
Operating profit (loss) |  |  |  |  |  |  |  |  | (266) | 187 | 730
Capital expenditures |  |  |  |  |  |  |  |  | 61 | 87 | 184
Depreciation and amortization |  |  |  |  |  |  |  |  | 209 | 223 | 223
Goodwill | 2,058 |  |  |  | 1,997 |  |  |  | 2,058 | 1,997 | 2,069
Total assets | 5,765 |  |  |  | 5,916 |  |  |  | 5,765 | 5,916 | 7,072
Eliminations and Corporate Costs [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | (991) | (1,805) | (1,997)
Operating profit (loss) |  |  |  |  |  |  |  |  | (635) | (978) | (1,170)
Capital expenditures |  |  |  |  |  |  |  |  | 75 | 95 | 108
Depreciation and amortization |  |  |  |  |  |  |  |  | 16 | 14 | 5
Total assets | $ 2,137 |  |  |  | $ 2,061 |  |  |  | $ 2,137 | $ 2,061 | $ 3,962

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