Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

The following tables provide the valuation hierarchy classification of assets and liabilities that are carried at fair value and measured on a recurring basis in our Condensed Consolidated Balance Sheet:

	September 30, 2022
(dollars in millions)	Total		Level 1		Level 2		Level 3
Recurring fair value measurements:
Marketable securities held in trusts	$	740	$	682	$	58	$	—
Derivative assets	60		—		60		—
Derivative liabilities	706		—		706		—

	December 31, 2021
(dollars in millions)	Total		Level 1		Level 2		Level 3
Recurring fair value measurements:
Marketable securities held in trusts	$	965	$	890	$	75	$	—
Derivative assets	70		—		70		—
Derivative liabilities	213		—		213		—

Fair Value, by Balance Sheet Grouping

The following table provides carrying amounts and fair values of financial instruments that are not carried at fair value in our Condensed Consolidated Balance Sheet:

	September 30, 2022				December 31, 2021
(dollars in millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Customer financing notes receivable	$	183	$	174	$	195	$	192
Long-term debt (excluding finance leases)	31,161		27,277		31,250		35,828

The following tables provides the valuation hierarchy classification of assets and liabilities that are not carried at fair value in our Condensed Consolidated Balance Sheet:

	September 30, 2022
(dollars in millions)	Total		Level 1		Level 2		Level 3
Customer financing notes receivable	$	174	$	—	$	174	$	—
Long-term debt (excluding finance leases)	27,277		—		27,230		47

	December 31, 2021
(dollars in millions)	Total		Level 1		Level 2		Level 3
Customer financing notes receivable	$	192	$	—	$	192	$	—
Long-term debt (excluding finance leases)	35,828		—		35,778		50