Commitments (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Oct. 01, 2022	Jan. 01, 2022
Guarantor Obligations [Line Items]
Guarantor Obligations, Current Carrying Value	$ 0	$ 0
Potential maximum obligation under cash flow assistance programs	290
Total receivables under cash flow assistance programs	7	6
Cash Flow Assistance Program, Estimated Allowance For Uncollectible Receivables	0	0
Restricted Cash	0		$ 172
Restricted Cash, Noncurrent	$ 0	$ 0
Restricted Cash and Cash Equivalents, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets	Other Assets
Industrial Revenue Bonds [Member]
Guarantor Obligations [Line Items]
Industrial Revenue Bonds	$ 797
Guarantee Obligations [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 0

Cash Flow Assistance Program, Estimated Allowance For Uncollectible Receivables

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Cash Flow Assistance Program, Potential Maximum Obligation

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Cash Flow Assistance Program, Receivables

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The face amount of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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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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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Indicates line item in statement of financial position that includes cash and cash equivalents restricted to withdrawal or usage, classified as noncurrent.

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Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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