Revenue Recognition Contract Asset & Liability (Tables)

9 Months Ended

Sep. 30, 2020

Contract Asset and Liability [Abstract]

Contract with Customer, Asset and Liability [Table Text Block]

Total contract assets and contract liabilities as of September 30, 2020 and December 31, 2019 are as follows:

(dollars in millions)	September 30, 2020		December 31, 2019
Contract assets	$	9,617	$	4,462
Contract liabilities, current	(12,208)		(9,014)
Contract liabilities, non-current (included within Other long-term liabilities)	(120)		—
Net contract liabilities	$	(2,711)	$	(4,552)