Debt - Additional Information (Details)	1 Months Ended	3 Months Ended
	Jan. 31, 2023 USD ($)	Mar. 31, 2024 USD ($) extension	Mar. 31, 2024 EUR (€)	Feb. 29, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Total face value of long-term debt		$ 66,852,000,000			$ 67,182,000,000
Short-term debt		$ 50,000,000			147,000,000
Term Loan | Loans Payable
Debt Instrument [Line Items]
Issuance amount	$ 8,000,000,000
Debt term	364 days
Term Loan | Secured Overnight Financing Rate | Loans Payable
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	0.75%
Commercial Paper
Debt Instrument [Line Items]
Debt term		397 days
Commercial paper, maximum borrowing capacity		$ 20,000,000,000	€ 3,000,000,000
Commercial paper		$ 0
Short Term Credit Agreement | Credit Facility
Debt Instrument [Line Items]
Debt term		364 days
Short-term debt		$ 0			0
The Credit Agreement | Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		0.45%
Revolving credit facility maximum borrowing capacity		$ 15,000,000,000
Commitment fee percentage		0.03%
November 2023 Short-Term Credit Agreement | Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		0.45%
Revolving credit facility maximum borrowing capacity		$ 5,000,000,000
Commitment fee percentage		0.03%
Number of term extensions | extension		1
Additional term		364 days
Revolving Credit Facility | Credit Facility
Debt Instrument [Line Items]
Short-term debt		$ 0			0
Senior Notes
Debt Instrument [Line Items]
Total face value of long-term debt		66,500,000,000
Estimated fair value of notes		59,400,000,000			60,600,000,000
Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Total face value of long-term debt		352,000,000			682,000,000
Credit Facility | Revolving Credit Facility | October 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility maximum borrowing capacity		$ 352,000,000		$ 1,500,000,000
Commitment fee percentage		0.45%
Borrowings outstanding		$ 352,000,000			$ 682,000,000
Weighted average interest rate		6.60%	6.60%		6.60%
Collateral amount		$ 466,000,000			$ 806,000,000
Credit Facility | Revolving Credit Facility | October 2016 Revolving Credit Facility | Secured Overnight Financing Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		1.25%
Credit Facility | Revolving Credit Facility | April 2018 Revolving Credit Facility
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		$ 8,500,000,000