Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash provided by operating activities
Net income	$ 78	$ 102
Non-cash charges to net income:
Depreciation and amortization	54	51
Mechanical stores expense	13	13
Deferred income taxes		5
Other	13	18
Changes in working capital:
Accounts receivable and prepaid expenses	(69)	(70)
Inventories	(33)	(34)
Accounts payable and accrued liabilities	17	(67)
Margin accounts	(20)	1
Other	12	(1)
Cash provided by operating activities	65	18
Cash used for investing activities
Capital expenditures and mechanical stores purchases	(98)	(80)
Payments for acquisitions, net of cash acquired of $ - and $4, respectively		(41)
Short-term investments	2	3
Cash used for investing activities	(96)	(118)
Cash used for financing activities
Proceeds from borrowings	405	225
Payments on debt	(303)	(217)
Repurchases of common stock, net		63
Issuances of common stock for share-based compensation, net of settlements	2	(1)
Dividends paid, including to non-controlling interests	(42)	(42)
Cash provided by financing activities	62	28
Effects of foreign exchange rate changes on cash	(17)
Increase (decrease) in cash and cash equivalents	14	(72)
Cash and cash equivalents, beginning of period	264	327
Cash and cash equivalents, end of period	$ 278	$ 255