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Finite-Lived Intangible Assets (Detail) - USD ($)
$ in Millions
Dec. 31, 2020
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 17,907 $ 17,759
Accumulated Amortization (11,352) (10,721)
Net Carrying Amount 6,555 7,038
Technology-based    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 8,355 8,160
Accumulated Amortization (6,672) (6,381)
Net Carrying Amount 1,683 1,779
Customer-related    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 4,955 4,967
Accumulated Amortization (2,532) (2,320)
Net Carrying Amount 2,423 2,647
Marketing-related    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 4,162 4,158
Accumulated Amortization (1,723) (1,588)
Net Carrying Amount 2,439 2,570
Contract-based    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 435 474
Accumulated Amortization (425) (432)
Net Carrying Amount $ 10 $ 42