Stockholders' Equity - Additional Information (Detail) € / shares in Units, € in Millions, $ in Millions |
Dec. 31, 2016
USD ($)
shares
|
Dec. 31, 2016
EUR (€)
€ / shares
shares
|
Dec. 31, 2015
USD ($)
shares
|
Dec. 31, 2015
EUR (€)
€ / shares
shares
|
|---|---|---|---|---|
| Equity [Abstract] | ||||
| Capital stock, authorized shares | 1,076,257,500 | 1,076,257,500 | 1,076,257,500 | 1,076,257,500 |
| Common stock, Authorized shares | 430,503,000 | 430,503,000 | 430,503,000 | 430,503,000 |
| Preferred stock, shares authorized | 645,754,500 | 645,754,500 | 645,754,500 | 645,754,500 |
| Common stock, issued and paid | 346,002,862 | 346,002,862 | 346,002,862 | 346,002,862 |
| Common stock, par value | € / shares | € 0.20 | € 0.20 | ||
| Nominal stock capital | $ 71 | € 69 | $ 68 | € 69 |