Goodwill - Additional Information (Detail) - USD ($) |
May 01, 2018 |
May 01, 2017 |
May 01, 2016 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Goodwill And Intangible Assets Disclosure [Abstract] | |||||
| Accumulated goodwill impairment | $ 11,300,000,000 | $ 11,300,000,000 | |||
| Goodwill impairment charge | $ 0 | $ 0 | $ 0 |
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- References No definition available.
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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