Goodwill And Other Acquired Intangible Assets - Acquired Intangible Assets and Related Amortization (Detail) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, net	$ 1,697	$ 1,498
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	1,479	1,325
Accumulated amortization	(263)	(235)
Acquired intangible assets, net	1,216	1,090
Trade secrets
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	30	30
Accumulated amortization	(29)	(29)
Acquired intangible assets, net	1	1
Software/product technology
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	368	372
Accumulated amortization	(143)	(131)
Acquired intangible assets, net	225	241
Trade names
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	148	150
Accumulated amortization	(33)	(30)
Acquired intangible assets, net	115	120
Other
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	181	80
Accumulated amortization	(41)	(34)
Acquired intangible assets, net	$ 140	$ 46