Receivables, net, Contract Assets and Contract Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Receivables, Net, Contract Assets and Contract Liabilities

Receivables, net, contract assets and contract liabilities were as follows (in millions):

	2020		2019
Receivables, net	$	1,978	$	2,337
Contract assets	9,545		9,094
Contract liabilities	7,545		7,054