Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Statement of Comprehensive Income [Abstract] | ||
| Net income attributable to the controlling and noncontrolling interests | $ 354 | $ 327 |
| Other comprehensive income, net of tax: | ||
| Defined benefit pension and other postretirement benefits | 19 | 68 |
| Unrealized foreign currency translation adjustments | 45 | (272) |
| Derivative financial instruments, net | (8) | 6 |
| Other comprehensive income (loss), net of tax | 56 | (198) |
| Total comprehensive income | 410 | 129 |
| Less: amounts attributable to noncontrolling interests: | ||
| Net income | (7) | (5) |
| Unrealized foreign currency translation adjustments | 3 | 5 |
| Comprehensive income attributable to PPG | $ 406 | $ 129 |