Long-term Debt - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Long-term debt, fair value	$ 10,300	$ 10,300	$ 9,400
Committed credit facility agreement aggregated	5,750	5,750
4.50% Senior Notes due 2028
Debt Instrument [Line Items]
Notes, face amount	$ 500	$ 500
Debt instrument maturity date	2028	2028	2028
4.85% Senior Notes due 2033
Debt Instrument [Line Items]
Notes, face amount	$ 500	$ 500
Debt instrument maturity date	2033	2033	2033
Commercial paper programs mature in February 2024
Debt Instrument [Line Items]
Committed credit facility agreement aggregated	$ 750	$ 750
Commercial paper programs mature in February 2025
Debt Instrument [Line Items]
Committed credit facility agreement aggregated	2,000	2,000
Commercial paper programs mature in July 2026
Debt Instrument [Line Items]
Committed credit facility agreement aggregated	1,000	1,000
Commercial paper programs mature in February 2027
Debt Instrument [Line Items]
Committed credit facility agreement aggregated	2,000	2,000
Commercial paper borrowings
Debt Instrument [Line Items]
Long-term debt	0	$ 0	$ 0
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility extended period		3 years
Credit facility extended date		Jun. 30, 2024
Committed credit facility agreement aggregated	$ 750	$ 750

Debt instrument maturity.

No definition available.

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Date the credit facility terminates, in YYYY-MM-DD format.

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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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