Acquisitions and Divestitures	9 Months Ended
Acquisitions and Divestitures	Jun. 30, 2019
Business Combinations [Abstract]
Acquisition and Divestitures	Acquisitions and Divestitures On April 30, 2019, the Company completed the sale of its Power Solutions business to BCP Acquisitions LLC for a purchase price of $13.2 billion. The net cash proceeds after tax and transaction-related expenses were $11.6 billion. In connection with the sale, the Company recorded a gain, net of transaction and other costs, of $5.2 billion ($4.0 billion after tax), subject to post-closing working capital and net debt adjustments, within income from discontinued operations, net of tax, in the consolidated statements of income. During the first quarter of fiscal 2019, the Company determined that its Power Solutions business met the criteria to be classified as a discontinued operation and, as a result, Power Solutions' historical financial results are reflected in the Company's consolidated financial statements as a discontinued operation. Refer to Note 4, "Discontinued Operations," of the notes to consolidated financial statements for further disclosure related to the Company's discontinued operations. During the first nine months of fiscal 2019, the Company completed certain divestitures within the Global Products and Building Solutions EMEA/LA businesses. The combined selling price was $18 million, $12 million of which was received as of June 30, 2019. In connection with the sale, the Company reduced goodwill by $1 million within the Building Solutions EMEA/LA segment. The divestitures were not material to the Company's consolidated financial statements. During the first nine months of fiscal 2019, the Company completed certain acquisitions for a combined purchase price of $16 million, all of which was paid as of June 30, 2019. The acquisitions were not material to the Company's consolidated financial statements. In connection with the acquisitions, the Company recorded goodwill of $9 million within the Global Products segment and $1 million within the Building Solutions EMEA/LA segment. During the first nine months of fiscal 2018, the Company completed certain acquisitions for a combined purchase price of $24 million, all of which was paid as of June 30, 2018. The acquisitions were not material to the Company’s consolidated financial statements. In connection with the acquisitions, the Company recorded goodwill of $12 million within the Global Products segment. In the second quarter of fiscal 2018, the Company completed the sale of a certain Global Products business. The selling price was $103 million, all of which was received in the three months ended March 31, 2018. In connection with the sale, the Company reduced goodwill by $20 million. The divestiture was not material to the Company's consolidated financial statements. In the first quarter of fiscal 2018, the Company completed the sale of its Scott Safety business to 3M Company. The selling price, net of cash divested, was $2.0 billion, all of which was received as of December 31, 2017. In connection with the sale, the Company recorded a pre-tax gain of $114 million within selling, general and administrative expenses in the consolidated statements of income and reduced goodwill in the consolidated statements of financial position by $1.2 billion. The gain, net of tax, recorded was $84 million. Net cash proceeds from the transaction of approximately $1.9 billion were used to repay a significant portion of the Tyco International Holding S.a.r.L.'s ("TSarl") $4.0 billion of merger-related debt.