Finite-Lived Intangible Assets (Parenthetical) (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Mar. 04, 2022
Nuance Communications Inc.
Finite-Lived Intangible Assets [Line Items]
Fair value of intangible assets acquired	$ 4,340	$ 4,340

The amount of identifiable intangible assets recognized as of the acquisition date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
-Paragraph 1
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