Fair Value Measurements and Financial Instruments - Notional Amounts of Outstanding Derivative Instruments (Detail) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Interest rate swaps
Derivative [Line Items]
Notional amount	$ 26,071	$ 26,071
Cross currency swaps
Derivative [Line Items]
Notional amount	34,138	34,976
Foreign exchange forwards
Derivative [Line Items]
Notional amount	$ 980	$ 920

Nominal or face amount used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant