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Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Jun. 30, 2016
Indefinite-lived Intangible Assets [Line Items] |  |
Net Intangible | $ 70 | $ 72
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible | 3,259 | 3,262
Accumulated Amortization | 1,265 | 1,075
Net Intangible | $ 1,994 | 2,187
Weighted- Average Remaining Amortization Period (Years) | 10 years |
Gross Intangible, Total other intangible assets | $ 3,329 | 3,334
Net Intangible, Total other intangible assets | 2,064 | 2,259
IPR&D, trademarks and other |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Net Intangible | 70 |
IPR&D, trademarks and other |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Net Intangible |  | 72
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible | 1,939 | 1,946
Accumulated Amortization | 849 | 737
Net Intangible | $ 1,090 | 1,209
Weighted- Average Remaining Amortization Period (Years) | 9 years |
Trademarks, trade names, and patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible | $ 508 | 508
Accumulated Amortization | 168 | 140
Net Intangible | $ 340 | 368
Weighted- Average Remaining Amortization Period (Years) | 14 years |
Developed technology and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible | $ 812 | 808
Accumulated Amortization | 248 | 198
Net Intangible | $ 564 | $ 610
Weighted- Average Remaining Amortization Period (Years) | 8 years |

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