Current Receivables (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total current receivables	$ 5,868	$ 6,073
Less: Allowance for credit losses	(376)	(373)
Total current receivables, net	5,492	5,700
Customer receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total current receivables	4,655	4,676
Related parties | GE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total current receivables	428	507
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total current receivables	$ 785	$ 890