Acquisitions and Divestitures	6 Months Ended
Mar. 31, 2015
Business Combinations [Abstract]
Acquisition and Divestitures	Acquisitions and Divestitures In the first six months of fiscal 2015, the Company completed three acquisitions for a combined purchase price, net of cash acquired, of $47 million, $18 million of which was paid in the six months ended March 31, 2015. The acquisitions in the aggregate were not material to the Company’s consolidated financial statements. In connection with the acquisitions, the Company recorded goodwill of $9 million. In the first six months of fiscal 2015, the Company adjusted the purchase price allocation of the fiscal 2014 acquisition of Air Distribution Technologies Inc. (ADT). The adjustment was made as a result of a true-up to the purchase price in the amount of $4 million, all of which was paid in the six months ended March 31, 2015. Also, in connection with this acquisition, the Company recorded additional goodwill of $21 million in fiscal 2015 related to the purchase price allocations. In fiscal 2014, the Company recorded goodwill of $837 million in the Building Efficiency Other segment as a result of the ADT acquisition. The purchase price allocations may be subsequently adjusted to reflect final valuation studies. In January 2015, the Company signed a definitive agreement to create a joint venture with Hitachi to expand its Building Efficiency product offerings. The formation of the joint venture is expected to close near the end of fiscal 2015, pending regulatory approvals. On March 31, 2015, the Company announced that it had reached a definitive agreement to sell its GWS business to CBRE Group Inc., subject to regulatory and other approvals. Estimated proceeds are expected to be $1.475 billion and the sale is expected to close near the end of fiscal 2015. At March 31, 2015, the Company determined that the GWS segment met the criteria to be classified as a discontinued operation. Refer to Note 4, "Discontinued Operations," of the notes to the consolidated financial statements for further disclosure related to the Company's discontinued operations. In the three months ended March 31, 2015, the Company completed the sale of its interests in two GWS joint ventures to Brookfield Asset Management, Inc. The selling price, net of cash divested, was $141 million, all of which was received as of March 31, 2015. In connection with the sale, the Company recorded a $200 million gain, $127 million net of tax, within income from discontinued operations, net of tax on the consolidated statements of income and reduced goodwill in assets held for sale by $20 million. In the first six months of fiscal 2014, the Company completed two acquisitions for a combined purchase price, net of cash acquired, of $128 million, all of which was paid in the six months ended March 31, 2014. The acquisitions in the aggregate were not material to the Company's consolidated financial statements. In connection with the acquisitions, the Company recorded goodwill of $100 million. As a result of one of the acquisitions, which increased the Company's ownership from a noncontrolling to controlling interest, the Company recorded a non-cash gain of $19 million in equity income for the Power Solutions business to adjust the Company's existing equity investment in the partially-owned affiliate to fair value. In the first six months of fiscal 2014, the Company completed one divestiture for a sales price of $13 million, all of which was received as of March 31, 2014. The divestiture was not material to the Company’s consolidated financial statements. In connection with the divestiture, the Company recorded a gain, net of transaction costs, of $9 million in the Automotive Experience Interiors segment. There was no change in goodwill as a result of this transaction. In the first six months of fiscal 2014, the Company adjusted the purchase price allocation of certain fiscal 2013 acquisitions and recorded additional goodwill of $2 million.

Acquisitions and Divestitures

In the first six months of fiscal 2015, the Company completed three acquisitions for a combined purchase price, net of cash acquired, of $47 million, $18 million of which was paid in the six months ended March 31, 2015. The acquisitions in the aggregate were not material to the Company’s consolidated financial statements. In connection with the acquisitions, the Company recorded goodwill of $9 million.

In the first six months of fiscal 2015, the Company adjusted the purchase price allocation of the fiscal 2014 acquisition of Air Distribution Technologies Inc. (ADT). The adjustment was made as a result of a true-up to the purchase price in the amount of $4 million, all of which was paid in the six months ended March 31, 2015. Also, in connection with this acquisition, the Company recorded additional goodwill of $21 million in fiscal 2015 related to the purchase price allocations. In fiscal 2014, the Company recorded goodwill of $837 million in the Building Efficiency Other segment as a result of the ADT acquisition. The purchase price allocations may be subsequently adjusted to reflect final valuation studies.

In January 2015, the Company signed a definitive agreement to create a joint venture with Hitachi to expand its Building Efficiency product offerings. The formation of the joint venture is expected to close near the end of fiscal 2015, pending regulatory approvals.

On March 31, 2015, the Company announced that it had reached a definitive agreement to sell its GWS business to CBRE Group Inc., subject to regulatory and other approvals. Estimated proceeds are expected to be $1.475 billion and the sale is expected to close near the end of fiscal 2015. At March 31, 2015, the Company determined that the GWS segment met the criteria to be classified as a discontinued operation. Refer to Note 4, "Discontinued Operations," of the notes to the consolidated financial statements for further disclosure related to the Company's discontinued operations.

In the three months ended March 31, 2015, the Company completed the sale of its interests in two GWS joint ventures to Brookfield Asset Management, Inc. The selling price, net of cash divested, was $141 million, all of which was received as of March 31, 2015. In connection with the sale, the Company recorded a $200 million gain, $127 million net of tax, within income from discontinued operations, net of tax on the consolidated statements of income and reduced goodwill in assets held for sale by $20 million.

In the first six months of fiscal 2014, the Company completed two acquisitions for a combined purchase price, net of cash acquired, of $128 million, all of which was paid in the six months ended March 31, 2014. The acquisitions in the aggregate were not material to the Company's consolidated financial statements. In connection with the acquisitions, the Company recorded goodwill of $100 million. As a result of one of the acquisitions, which increased the Company's ownership from a noncontrolling to controlling interest, the Company recorded a non-cash gain of $19 million in equity income for the Power Solutions business to adjust the Company's existing equity investment in the partially-owned affiliate to fair value.

In the first six months of fiscal 2014, the Company completed one divestiture for a sales price of $13 million, all of which was received as of March 31, 2014. The divestiture was not material to the Company’s consolidated financial statements. In connection with the divestiture, the Company recorded a gain, net of transaction costs, of $9 million in the Automotive Experience Interiors segment. There was no change in goodwill as a result of this transaction.

In the first six months of fiscal 2014, the Company adjusted the purchase price allocation of certain fiscal 2013 acquisitions and recorded additional goodwill of $2 million.