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Fair Values of Financial Instruments | 3 Months Ended
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Mar. 31, 2023
Fair Value Disclosures [Abstract] |
Fair Values of Financial Instruments | Fair Values of Financial Instruments The fair values of “Cash and cash equivalents,” “Accounts receivable – net,” “Accounts payable,” and “Short-term debt,” approximate carrying values because of the short maturity of these financial instruments. The carrying value of corporate-owned life insurance is recorded at cash surrender value and, accordingly, approximates fair value. There are no other assets or liabilities measured at fair value on a recurring basis at March 31, 2023 or December 31, 2022. The carrying amounts and estimated fair values, based on Level 1 inputs, of long-term debt consist of the following:
| March 31, 2023 |  | December 31, 2022
| Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
| ($ in millions)
Long-term debt, including current maturities | $ | (14,988) |  |  | $ | (13,889) |  |  | $ | (15,082) |  |  | $ | (13,846) |

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- Definition The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -URI https://asc.fasb.org/topic&trid=2155941 + Details
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