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BorgWarner Inc. and Consolidated Subsidiaries Consolidated Statements of Equity - USD ($) $ in Millions | Total | Issued common stock | Capital in excess of par value | Common stock held in treasury | Retained earnings | Accumulated other comprehensive income (loss) | Noncontrolling interests | Employee Stock Option [Member] Common stock held in treasury | Performance Shares [Member] Common stock held in treasury | Restricted Stock [Member] Common stock held in treasury
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Common, Shares |  |  |  |  | (19,960,537) |  |  |  |  |  |
Beginning Balance at Dec. 31, 2014 |  |  | $ 2.5 | $ 1,112.4 | $ (832.2) | $ 3,717.1 | $ (383.6) | $ 74.7 |  |  |
Beginning Balance, shares at Dec. 31, 2014 |  |  | 246,390,620 |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Dividends declared |  |  |  |  |  | (116.7) |  | (28.5) |  |  |
Stock incentive plans |  |  |  | (1.8) |  |  |  |  | $ 18.6 |  |
Stock incentive plans, shares | 440,000 |  |  |  |  |  |  |  |  |  |
Net issuance for executive stock plan |  |  |  | 2.4 |  |  |  |  |  | $ 0.0 |
Net issuance of restricted stock |  |  |  | (3.3) |  |  |  |  |  |  | $ 18.2
Net issuance of restricted stock, shares |  |  | (3,563) |  |  |  |  |  |  |  |
Treasury stock reissued, shares |  |  |  |  |  |  |  |  | 439,653 | 0 | 532,951
Purchase of treasury stock |  |  |  |  | $ (363.0) |  |  |  |  |  |
Purchases of treasury stock, shares |  |  |  |  | (8,074,303) |  |  |  |  |  |
Net earnings attributable to BorgWarner Inc. | $ 609.7 |  |  |  |  | 609.7 |  |  |  |  |
Net earnings attributable to the noncontrolling interest, net of tax | 36.7 | [1] |  |  |  |  |  | 36.7 |  |  |
Other comprehensive income (loss) | (226.6) |  |  |  |  |  | (226.6) |  |  |  |
Other comprehensive income (loss) attributable to the noncontrolling interest | $ (5.1) | [1] |  |  |  |  |  | (5.1) |  |  |
Ending Balance at Dec. 31, 2015 |  |  | $ 2.5 | 1,109.7 | $ (1,158.4) | 4,210.1 | (610.2) | 77.8 |  |  |
Ending Balance, shares at Dec. 31, 2015 |  |  | 246,387,057 |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Common, Shares |  |  |  |  | (27,062,236) |  |  |  |  |  |
Dividends declared |  |  |  |  |  | (113.4) |  | (26.0) |  |  |
Stock incentive plans |  |  |  | (19.4) |  |  |  |  | $ 32.4 |  |
Stock incentive plans, shares | 794,000 |  |  |  |  |  |  |  |  |  |
Net issuance for executive stock plan |  |  |  | 12.8 |  |  |  |  |  | $ 0.0 |
Net issuance of restricted stock |  |  |  | 1.2 |  |  |  |  |  |  | $ 19.2
Treasury stock reissued, shares |  |  |  |  |  |  |  |  | 793,230 |  | 414,464
Purchase of treasury stock |  |  |  |  | $ (274.8) |  |  |  |  |  |
Business divestiture | $ (4.8) |  |  |  |  |  |  |  |  |  |
Purchases of treasury stock, shares |  |  |  |  | (8,269,550) |  |  |  |  |  |
Net earnings attributable to BorgWarner Inc. | 118.5 |  |  |  |  | 118.5 |  |  |  |  |
Net earnings attributable to the noncontrolling interest, net of tax | 41.7 | [1] |  |  |  |  |  | 41.7 |  |  |
Other comprehensive income (loss) | (111.9) |  |  |  |  |  | (111.9) |  |  |  |
Other comprehensive income (loss) attributable to the noncontrolling interest | (5.1) | [1] |  |  |  |  |  | (5.1) |  |  |
Ending Balance at Dec. 31, 2016 | $ 3,301.9 |  | $ 2.5 | 1,104.3 | $ (1,381.6) | 4,215.2 | (722.1) | 83.6 |  |  |
Ending Balance, shares at Dec. 31, 2016 |  |  | 246,387,057 |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Common, Shares |  |  |  |  | (34,124,092) |  |  |  |  |  |
Dividends declared |  |  |  |  |  | (124.1) |  | (29.3) |  |  |
Stock incentive plans |  |  |  | (10.6) |  |  |  |  | $ 18.9 |  |
Stock incentive plans, shares | 473,000 |  |  |  |  |  |  |  |  |  |
Net issuance for executive stock plan |  |  |  | 21.0 |  |  |  |  |  | $ 2.7 |
Net issuance of restricted stock |  |  |  | 4.0 |  |  |  |  |  |  | $ 14.6
Treasury stock reissued, shares |  |  |  |  |  |  |  |  | 473,419 | 73,935 | 402,184
Purchase of treasury stock |  |  |  |  | $ (100.0) |  |  |  |  |  |
Purchases of treasury stock, shares |  |  |  |  | (2,399,710) |  |  |  |  |  |
Net earnings attributable to BorgWarner Inc. | $ 439.9 |  |  |  |  | 439.9 |  |  |  |  |
Net earnings attributable to the noncontrolling interest, net of tax | 43.4 | [1] |  |  |  |  |  | 43.4 |  |  |
Other comprehensive income (loss) | 232.1 |  |  |  |  |  | 232.1 |  |  |  |
Other comprehensive income (loss) attributable to the noncontrolling interest | 11.4 | [1] |  |  |  |  |  | 11.4 |  |  |
Ending Balance at Dec. 31, 2017 | $ 3,825.9 |  | $ 2.5 | $ 1,118.7 | $ (1,445.4) | $ 4,531.0 | $ (490.0) | $ 109.1 |  |  |
Ending Balance, shares at Dec. 31, 2017 |  |  | 246,387,057 |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Common, Shares |  |  |  |  | (35,574,264) |  |  |  |  |  |
[1] | *Net of income taxes.

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