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Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Jun. 30, 2018
Indefinite-lived Intangible Assets [Line Items] |  |
Net Intangible | $ 59 | $ 62
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible | 5,751 | 5,742
Accumulated Amortization | 2,154 | 1,891
Net Intangible | $ 3,597 | 3,851
Weighted- Average Remaining Amortization Period (Years) | 13 years |
Gross Intangible, Total other intangible assets | $ 5,810 | 5,804
Net Intangible, Total other intangible assets | 3,656 | 3,913
IPR&D, trademarks and other |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Net Intangible | 59 |
IPR&D, trademarks and other |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Net Intangible |  | 62
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible | 3,523 | 3,513
Accumulated Amortization | 1,353 | 1,191
Net Intangible | $ 2,170 | 2,322
Weighted- Average Remaining Amortization Period (Years) | 14 years |
Trademarks, trade names and patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible | $ 668 | 667
Accumulated Amortization | 270 | 246
Net Intangible | $ 398 | 421
Weighted- Average Remaining Amortization Period (Years) | 14 years |
Developed technology and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible | $ 1,560 | 1,562
Accumulated Amortization | 531 | 454
Net Intangible | $ 1,029 | $ 1,108
Weighted- Average Remaining Amortization Period (Years) | 11 years |

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