Restructuring Charges - Summary of Changes in Position of Restructuring Liabilities by Segment (Detail) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Beginning Balance | $ 89 | $ 151 | |||
| Additions | 5 | 7 | |||
| Utilized | (25) | (65) | |||
| Released | 0 | (16) | |||
| Other changes | [1] | (4) | 12 | ||
| Ending Balance | 65 | 89 | |||
| HPMS [Member] | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Beginning Balance | 86 | 148 | |||
| Additions | 5 | 7 | |||
| Utilized | (25) | (65) | |||
| Released | 0 | (16) | |||
| Other changes | [1] | (4) | 12 | ||
| Ending Balance | 62 | 86 | |||
| Corporate and Other [Member] | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Beginning Balance | 3 | 0 | |||
| Additions | 0 | 0 | |||
| Utilized | 0 | 0 | |||
| Released | 0 | 0 | |||
| Other changes | [1] | 0 | 3 | ||
| Ending Balance | 3 | 3 | |||
| SP [Member] | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Beginning Balance | $ 0 | 3 | |||
| Additions | 0 | ||||
| Utilized | 0 | ||||
| Released | 0 | ||||
| Other changes | [1] | (3) | |||
| Ending Balance | $ 0 | ||||
| |||||