Debt - Additional Information (Details) $ in Millions, € in Billions	1 Months Ended	6 Months Ended	9 Months Ended
	Jan. 31, 2023 USD ($)	Jun. 30, 2025 USD ($) extension	Sep. 30, 2024	Apr. 30, 2025 USD ($)	Apr. 30, 2025 EUR (€)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Notes outstanding		$ 56,082					$ 58,000
Short-term debt		$ 173					151
Term Loan | Loans Payable
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	0.75%
Issuance amount	$ 8,000
Debt term	364 days
Commercial Paper
Debt Instrument [Line Items]
Debt term		397 days
Commercial paper, maximum borrowing capacity				$ 30,000	€ 3.0	$ 20,000
Commercial paper		$ 0					0
The Credit Agreement | Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		0.45%
Commitment fee percentage		0.03%
Revolving credit facility maximum borrowing capacity		$ 15,000
Short-term debt		$ 0					0
Short Term Credit Agreement | Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		0.45%
Commitment fee percentage		0.03%
Debt term		364 days
Revolving credit facility maximum borrowing capacity		$ 5,000
Additional term		364 days
Short-term debt		$ 0					0
Number of term extensions | extension		1
Senior Notes
Debt Instrument [Line Items]
Notes outstanding		$ 55,300
Estimated fair value of notes		$ 48,200					$ 50,200
Credit Facility | Revolving Credit Facility | October 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			1.25%
Commitment fee percentage			0.45%
Credit Facility | Revolving Credit Facility | The Credit Agreement
Debt Instrument [Line Items]
Additional term		1 year
Credit Facility | Letter of Credit | April 2018 Revolving Credit Facility
Debt Instrument [Line Items]
Unused letters of credit		$ 9,000