Debt - Additional Information (Details)	1 Months Ended	9 Months Ended
	Jan. 31, 2023 USD ($)	Sep. 30, 2023 USD ($) extension	Sep. 30, 2023 EUR (€)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Total face value of long-term debt		$ 67,472,000,000		$ 70,542,000,000
Short-term debt		166,000,000		$ 1,200,000,000
Term Loan | Loans Payable
Debt Instrument [Line Items]
Issuance amount	$ 8,000,000,000
Debt term	364 days
Short-term debt		$ 5,000,000,000
Weighted average effective interest rate		6.20%	6.20%
Term Loan | Secured Overnight Financing Rate | Loans Payable
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	0.75%
Term Loan | Secured Overnight Financing Rate | Loans Payable | Interest Rate Scenario One
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	1.05%
Commercial Paper
Debt Instrument [Line Items]
Debt term		397 days
Weighted average effective interest rate		5.10%	5.10%	4.50%
Commercial paper, maximum borrowing capacity		$ 20,000,000,000	€ 3,000,000,000
Commercial paper		$ 567,000,000		$ 6,800,000,000
Short Term Credit Agreement | Credit Facility
Debt Instrument [Line Items]
Debt term		364 days
Short-term debt		$ 0		0
Revolving credit facility maximum borrowing capacity		$ 10,000,000,000
Commitment fee percentage		0.05%
Number of term extensions | extension		1
Additional term		364 days
Short Term Credit Agreement | Secured Overnight Financing Rate | Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		0.45%
Senior Notes
Debt Instrument [Line Items]
Total face value of long-term debt		$ 66,500,000,000
Estimated fair value of notes		56,700,000,000		61,400,000,000
Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Total face value of long-term debt		972,000,000		1,042,000,000
Credit Facility | Revolving Credit Facility | October 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility maximum borrowing capacity		$ 1,500,000,000
Commitment fee percentage		0.45%
Borrowings outstanding		$ 972,000,000		$ 1,000,000,000
Weighted average interest rate		6.60%	6.60%	5.60%
Collateral amount		$ 1,100,000,000		$ 1,200,000,000
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]
Revolving credit facility maximum borrowing capacity		$ 10,000,000,000
Commitment fee percentage		0.03%
Borrowings outstanding		$ 0		$ 0
Number of term extensions | extension		3
Additional term		1 year
Credit Facility | Revolving Credit Facility | April 2018 Revolving Credit Facility | Applicable benchmark rate
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		0.45%
Credit Facility | Letter of Credit | April 2018 Revolving Credit Facility
Debt Instrument [Line Items]
Unused letters of credit		$ 7,800,000,000