Revenue Recognition Contract Asset & Liability (Tables)

3 Months Ended

Mar. 31, 2020

Contract Asset and Liability [Abstract]

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

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

(dollars in millions)	March 31, 2020		December 31, 2019
Contract assets, current	$	4,549	$	4,184
Contract assets, noncurrent (included within Other assets)	1,277		1,338
Total contract assets	5,826		5,522
Contract liabilities, current	(6,384)		(6,180)
Contract liabilities, noncurrent	(5,554)		(5,732)
Total contract liabilities	(11,938)		(11,912)
Net contract liabilities	$	(6,112)	$	(6,390)