Acquisitions and Divestitures	3 Months Ended
Dec. 31, 2017
Business Combinations [Abstract]
Acquisition and Divestitures	Acquisitions and Divestitures 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 assets held for sale 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. The Scott Safety business is included in the Global Products segment and is reported within assets and liabilities held for sale in the consolidated statements of financial position as of September 30, 2017. Refer to Note 4, "Discontinued Operations," of the notes to consolidated financial statements for further disclosure related to the Company's net assets held for sale. In the first quarter of fiscal 2017, the Company completed two acquisitions for a combined purchase price, net of cash acquired, of $6 million, $3 million of which was paid in the three months ended December 31, 2016. 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 $1 million. In the first quarter of fiscal 2017, the Company completed one divestiture for a sales price of $4 million, none of which was received in the three months ended December 31, 2016. The divestiture decreased the Company's ownership from a controlling to noncontrolling interest, and as a result, the Company deconsolidated cash of $5 million. The divestiture was not material to the Company's consolidated financial statements. During the first quarter of fiscal 2017, the Company received $52 million in net cash proceeds related to prior year business divestitures.

Acquisitions and Divestitures

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 assets held for sale 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. The Scott Safety business is included in the Global Products segment and is reported within assets and liabilities held for sale in the consolidated statements of financial position as of September 30, 2017. Refer to Note 4, "Discontinued Operations," of the notes to consolidated financial statements for further disclosure related to the Company's net assets held for sale.

In the first quarter of fiscal 2017, the Company completed two acquisitions for a combined purchase price, net of cash acquired, of $6 million, $3 million of which was paid in the three months ended December 31, 2016. 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 $1 million.

In the first quarter of fiscal 2017, the Company completed one divestiture for a sales price of $4 million, none of which was received in the three months ended December 31, 2016. The divestiture decreased the Company's ownership from a controlling to noncontrolling interest, and as a result, the Company deconsolidated cash of $5 million. The divestiture was not material to the Company's consolidated financial statements.

During the first quarter of fiscal 2017, the Company received $52 million in net cash proceeds related to prior year business divestitures.