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Long-term Debt and Finance Leases - Revolving Credit Facility, Bilateral Letter of Credit Facilities, Receivables Securitization Facilities and Dunkirk Bonds (Details) - USD ($) | May 30, 2023 | May 19, 2023 | Mar. 13, 2023 | Feb. 14, 2023 | Jul. 31, 2023 | Jun. 30, 2023 | Jun. 22, 2023 | Jun. 21, 2023 | Apr. 03, 2023 | Dec. 31, 2022
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Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Borrowings outstanding |  |  |  |  |  | $ 12,266,000,000 |  |  |  | $ 8,100,000,000
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding borrowing |  |  |  |  |  | 400,000,000 |  |  |  |
Bilateral Credit Facilities | Secured Debt |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Increase to existing revolving commitments | $ 100,000,000 | $ 25,000,000 |  |  |  |  |  |  |  |
Dunkirk Bonds |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Borrowings outstanding |  |  |  |  |  |  |  |  | $ 59,000,000 |
Interest rate, stated percentage |  |  |  |  |  |  |  |  | 4.25% |
Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Increase to existing revolving commitments |  |  | $ 45,000,000 | $ 600,000,000 |  |  |  |  |  |
Outstanding borrowing |  |  |  |  |  | 700,000,000 |  |  |  |
Revolving Credit Facility | Revolving Credit Facility | Subsequent Event |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding borrowing |  |  |  |  | $ 700,000,000 |  |  |  |  |
Revolving Credit Facility | Receivables Facility |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding borrowing |  |  |  |  |  | 0 |  |  |  |
Revolving credit commitments |  |  |  |  |  |  | $ 1,400,000,000 | $ 1,000,000,000 |  |
Letter of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Letters of credit issued |  |  |  |  |  | 823,000,000 |  |  |  |
Letter of Credit | Revolving Credit Facility | Subsequent Event |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Letters of credit issued |  |  |  |  | $ 879,000,000 |  |  |  |  |
Letter of Credit | Bilateral Credit Facilities | Secured Debt |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Letters of credit issued |  |  |  |  |  | 589,000,000 |  |  |  |
Revolving credit commitments | $ 800,000,000 |  |  |  |  |  |  |  |  |
Letter of Credit | Receivables Facility |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Letters of credit issued |  |  |  |  |  | $ 842,000,000 |  |  |  |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition The carrying value as of the balance sheet date of the current portion 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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