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Consolidated Statements of Shareholders' Equity Attributable to Johnson Controls, Inc. (Parenthetical) - $ / shares
12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Cash dividends common, per share $ 1.04 $ 0.88 $ 0.76
Retained Earnings      
Cash dividends common, per share $ 1.04 $ 0.88 $ 0.76