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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) (USD $) In Millions, except Share data | Total | Common Stock [Member] | Retained Earnings [Member] | NOV Net Investment [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2013 | $ 1,802 |  |  | $ 1,802 |
Net income | 41 |  |  | 41 |
Net contributions from NOV | 78 |  |  | 78 |
Other comprehensive income (loss) | (17) |  |  |  | (17)
Ending balance at Mar. 31, 2014 | 1,904 |  |  | 1,921 | (17)
Net income earned through May 30, 2014 separation | 17 |  |  | 17 |
Net income | 27 |  |  |  |
Net contributions from NOV | 6 |  |  | 6 |
Other comprehensive income (loss) | 18 |  |  |  | 18
Stock-based compensation | 3 | 2 |  | 1 |
Reclassification of NOV net investment to additional paid-in capital |  | 1,945 |  | (1,945) |
Issuance of common stock at separation |  | (1) |  |  |
Issuance of common stock at the separation, par value |  | 1 |  |  |
Net income earned after May 30, 2014 separation | 10 |  | 10 |  |
Ending balance, Common stock value | 1 | 1 |  |  |
Issuance of common stock at separation |  | 107,053,000 |  |  |
Issuance of common stock upon exercise of stock options |  | 5,000 |  |  |
Ending balance at Jun. 30, 2014 | $ 1,958 | $ 1,946 | $ 10 |  | $ 1
Ending balance, shares at Jun. 30, 2014 |  | 107,058,000 |  |  |

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