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Consolidated Statements of Shareholders' Equity Attributable to Johnson Controls Ordinary Shareholders - USD ($) $ in Millions | Total | Ordinary Shares | Capital in excess of par value | Retained Earnings | Treasury Stock, at Cost | Accumulated Other Comprehensive Income (Loss) | Power Solutions | Power Solutions Ordinary Shares | Power Solutions Capital in excess of par value | Power Solutions Retained Earnings | Power Solutions Treasury Stock, at Cost | Power Solutions Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Sep. 30, 2016 | $ 24,118 | $ 9 | $ 16,105 | $ 9,177 | $ (20) | $ (1,153) |  |  |  |  |  |
Comprehensive income (loss) | 1,710 | 0 | 0 | 1,611 | 0 | 99 |  |  |  |  |  |
Cash dividends | (938) | 0 | 0 | (938) | 0 | 0 |  |  |  |  |  |
Repurchases and retirements of ordinary shares | (651) | 0 | 0 | 0 | (651) | 0 |  |  |  |  |  |
Accounting Pronouncement | Accounting Standards Update 2016-01 [Member] |  |  |  |  |  | 0 |  |  |  |  |  |
Spin-off of Adient | (4,038) | 0 | 0 | (4,619) | 0 | 581 |  |  |  |  |  |
Other, including options exercised | 246 | 0 | 285 | 0 | (39) | 0 |  |  |  |  |  |
Ending balance at Sep. 30, 2017 | 20,447 | 9 | 16,390 | 5,231 | (710) | (473) |  |  |  |  |  |
Comprehensive income (loss) | 1,689 | 0 | 0 | 2,162 | 0 | (473) |  |  |  |  |  |
Cash dividends | (968) | 0 | 0 | (968) | 0 | 0 |  |  |  |  |  |
Repurchases and retirements of ordinary shares | (300) | 0 | 0 | 0 | (300) | 0 |  |  |  |  |  |
Accounting Pronouncement | Accounting Standards Update 2016-09 [Member] | 179 | 0 | 0 | 179 | 0 | 0 |  |  |  |  |  |
Accounting Pronouncement | Accounting Standards Update 2016-01 [Member] |  |  |  |  |  | 0 |  |  |  |  |  |
Other, including options exercised | 117 | 1 | 159 | 0 | (43) | 0 |  |  |  |  |  |
Ending balance at Sep. 30, 2018 | 21,164 | 10 | 16,549 | 6,604 | (1,053) | (946) |  |  |  |  |  |
Comprehensive income (loss) | 5,350 | 0 | 0 | 5,674 | 0 | (324) |  |  |  |  |  |
Cash dividends | (887) | 0 | 0 | (887) | 0 | 0 |  |  |  |  |  |
Stock Repurchased and Retired During Period, Value | 5,983 | 2 | 0 | 5,981 | 0 | 0 |  |  |  |  |  |
Shareholders' equity, divestiture of Power Solutions |  |  |  |  |  |  | $ 483 | $ 0 | $ 0 | $ 0 | $ 0 | $ 483
Accounting Pronouncement | Accounting Standards Update 2014-09 [Member] | (45) | 0 | 0 | (45) | 0 | 0 |  |  |  |  |  |
Accounting Pronouncement | Accounting Standards Update 2016-01 [Member] | 0 | 0 | 0 | 8 | 0 | (8) |  |  |  |  |  |
Accounting Pronouncement | Accounting Standards Update 2016-16 [Member] | (546) | 0 | 0 | (546) | 0 | 0 |  |  |  |  |  |
Other, including options exercised | 230 | 0 | 263 | 0 | (33) | 0 |  |  |  |  |  |
Ending balance at Sep. 30, 2019 | $ 19,766 | $ 8 | $ 16,812 | $ 4,827 | $ (1,086) | $ (795) |  |  |  |  |  |

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