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Fair Values of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Carrying Amounts and Estimated Fair Values

The carrying amounts and estimated fair values, based on Level 1 inputs, of long-term debt consist of the following:

			September 30, 2021												December 31, 2020
			Carrying Amount						Fair Value						Carrying Amount						Fair Value
			($ in millions)
Long-term debt, including current maturities			$	(13,832)					$	(17,034)					$	(12,681)					$	(16,664)

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- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- References

No definition available.

+ Details

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