Debt - Schedule of Debt (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total senior notes	$ 15,673,000,000	$ 15,673,000,000
Finance leases and other	260,000,000	253,000,000
Debt issuance costs	(141,000,000)	(147,000,000)
Total debt	18,320,000,000	18,020,000,000
Less: current portion	(97,000,000)	(82,000,000)
Long-term debt	18,223,000,000	17,938,000,000
Revolving credit agreement
Debt Instrument [Line Items]
Credit facility	359,000,000	58,000,000
Term loan facility
Debt Instrument [Line Items]
Credit facility	2,169,000,000	2,183,000,000
$2,500 million 4.25% Senior Notes due December 15, 2027 \| Senior Notes
Debt Instrument [Line Items]
Debt, face amount	$ 2,500,000,000
Interest rate	4.25%
Senior notes	$ 2,393,000,000	2,393,000,000
$2,300 million 2.45% Senior Notes due July 15, 2028 \| Senior Notes
Debt Instrument [Line Items]
Debt, face amount	$ 2,300,000,000
Interest rate	2.45%
Senior notes	$ 2,303,000,000	2,303,000,000
$3,500 million 4.625% Senior Notes due December 15, 2029 \| Senior Notes
Debt Instrument [Line Items]
Debt, face amount	$ 3,500,000,000
Interest rate	4.625%
Senior notes	$ 3,277,000,000	3,277,000,000
$2,000 million 3.375% Senior Notes due February 15, 2030 \| Senior Notes
Debt Instrument [Line Items]
Debt, face amount	$ 2,000,000,000
Interest rate	3.375%
Senior notes	$ 2,000,000,000	2,000,000,000
$2,200 million 3.00% Senior Notes due October 15, 2030 \| Senior Notes
Debt Instrument [Line Items]
Debt, face amount	$ 2,200,000,000
Interest rate	3.00%
Senior notes	$ 2,200,000,000	2,200,000,000
$2,200 million 2.50% Senior Notes due March 1, 2031 \| Senior Notes
Debt Instrument [Line Items]
Debt, face amount	$ 2,200,000,000
Interest rate	2.50%
Senior notes	$ 2,200,000,000	2,200,000,000
$1,300 million 2.625% Senior Notes due August 1, 2031 \| Senior Notes
Debt Instrument [Line Items]
Debt, face amount	$ 1,300,000,000
Interest rate	2.625%
Senior notes	$ 1,300,000,000	$ 1,300,000,000

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Senior Notes, Total

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Amount of short-term and long-term debt and lease obligation.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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