Contract and Other Deferred Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract assets (total revenue in excess of billings)	$ 1,700	$ 1,694
Deferred inventory costs	130	179
Non-recurring engineering costs	51	21
Contract and other deferred assets	1,881	1,894
Revenue recognized from performance obligations satisfied in previous periods	(1)	26
Long-term product service agreements
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract assets (total revenue in excess of billings)	603	609
Long-term equipment contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract assets (total revenue in excess of billings)	$ 1,097	$ 1,085