Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Decrease (increase) in current assets:
Receivables - change in factoring	$ (61)	$ 146	$ 136
Receivables - all other changes	13	(103)	(173)
Inventories	(26)	(29)	2
Prepaid expenses and other	13	(58)	(10)
Increase (decrease) in current liabilities:
Accounts payable	(62)	67	69
Accrued liabilities	(30)	(16)	(49)
Salaries and wages	(25)	(1)	(21)
U.S. and foreign income taxes	2	9	(43)
Changes in components of working capital, total	(176)	15	(89)
Amount of receivables sold	539	600	454
Interest paid in cash	303	236	261
Income taxes paid in cash
U.S. Income taxes paid in cash	2	11	4
Non-U.S. Income taxes paid in cash	101	97	127
Total income taxes paid in cash	103	108	131
Cash interest included in note repurchase premiums	$ 54	$ 0	$ 18