Acquisition	9 Months Ended
Jun. 30, 2017
Business Combinations [Abstract]
Business Combination Disclosure [Text Block]	Acquisitions Definitive Agreement to Acquire Bard On April 23, 2017, the Company announced that it had entered into a definitive agreement under which BD will acquire Bard for an implied value of $317.00 per Bard common share in cash and stock, for estimated total consideration of approximately $24 billion. The combination will create a highly differentiated medical technology company uniquely positioned to improve both the process of care and the treatment of disease for patients and healthcare providers. Under the terms of the transaction, Bard common shareholders will be entitled to receive approximately $222.93 in cash and 0.5077 shares of BD stock per Bard share, or an implied value of $317.00 per Bard common share based on BD's closing price on April 21, 2017. At closing, Bard shareholders will own approximately 15 percent of the combined company. The Company will finance the cash portion of total consideration transferred with available cash, which will include $4.8 billion of net proceeds raised in the third quarter through registered public offerings of equity securities and approximately $9.6 billion of net proceeds also raised in the third quarter through debt transactions. The total consideration transferred will also include an estimated $8 billion of BD common stock. The transaction is subject to regulatory and Bard shareholder approval and customary closing conditions, and is expected to close in the fourth calendar quarter of 2017. Acquisition of Remaining Interest in Caesarea Medical Electronics Upon the Company's acquisition of a 100% interest in CareFusion Corp. ("CareFusion") in March 2015, it acquired a 40% ownership interest in Caesarea Medical Electronics ("CME"), an Israeli-based global infusion pump systems manufacturer. The Company previously accounted for this interest as an equity investment. On April 3, 2017, the Company acquired the remaining 60% ownership interest in CME.

Acquisitions

Definitive Agreement to Acquire Bard

On April 23, 2017, the Company announced that it had entered into a definitive agreement under which BD will acquire Bard for an implied value of $317.00 per Bard common share in cash and stock, for estimated total consideration of approximately $24 billion. The combination will create a highly differentiated medical technology company uniquely positioned to improve both the process of care and the treatment of disease for patients and healthcare providers.

Under the terms of the transaction, Bard common shareholders will be entitled to receive approximately $222.93 in cash and 0.5077 shares of BD stock per Bard share, or an implied value of $317.00 per Bard common share based on BD's closing price on April 21, 2017. At closing, Bard shareholders will own approximately 15 percent of the combined company. The Company will finance the cash portion of total consideration transferred with available cash, which will include $4.8 billion of net proceeds raised in the third quarter through registered public offerings of equity securities and approximately $9.6 billion of net proceeds also raised in the third quarter through debt transactions. The total consideration transferred will also include an estimated $8 billion of BD common stock. The transaction is subject to regulatory and Bard shareholder approval and customary closing conditions, and is expected to close in the fourth calendar quarter of 2017.

Acquisition of Remaining Interest in Caesarea Medical Electronics

Upon the Company's acquisition of a 100% interest in CareFusion Corp. ("CareFusion") in March 2015, it acquired a 40% ownership interest in Caesarea Medical Electronics ("CME"), an Israeli-based global infusion pump systems manufacturer. The Company previously accounted for this interest as an equity investment. On April 3, 2017, the Company acquired the remaining 60% ownership interest in CME.