Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating
Net earnings (loss) attributable to Motorola Solutions, Inc.	$ 868	$ 966	$ (155)
Earnings attributable to noncontrolling interests	3	3	4
Net earnings (loss)	871	969	(151)
Adjustments to reconcile Net earnings (loss) to Net cash provided by operating activities:
Depreciation and amortization	394	360	343
Non-cash other charges	35	56	32
Pension settlement losses	359	0	48
(Gain) losses from the extinguishment of long term debt	50	0	0
Share-based compensation expense	118	73	66
Gains on sales of investments and businesses, net	(5)	(16)	(3)
Changes in assets and liabilities, net of effects of acquisitions, dispositions, and foreign currency translation adjustments:
Accounts receivable	(79)	62	(60)
Inventories	(74)	71	(46)
Other current assets and contract assets	49	(251)	(99)
Accounts payable, accrued liabilities, and contract liabilities	198	271	160
Other assets and liabilities	(5)	(523)	(44)
Deferred income taxes	(84)	9	1,100
Net cash provided by operating activities	1,823	1,075	1,346
Investing
Acquisitions and investments, net	(709)	(1,164)	(404)
Proceeds from sales of investments	16	95	183
Capital expenditures	(248)	(197)	(227)
Proceeds from sales of property, plant and equipment	7	0	0
Net cash used for investing activities	(934)	(1,266)	(448)
Financing
Repayment of debt	(2,039)	(723)	(21)
Net proceeds from issuance of debt	1,804	1,490	10
Issuances of common stock	114	168	82
Purchases of common stock	(315)	(132)	(483)
Settlement of conversion premium on 2.00% senior convertible notes	(326)	(169)	0
Payment of dividends	(379)	(337)	(307)
Payment of dividends to noncontrolling interest	(3)	(1)	(1)
Deferred acquisition costs	0	(76)	(2)
Net cash provided by (used for) financing activities	(1,144)	220	(722)
Effect of exchange rate changes on cash and cash equivalents	(1)	(40)	62
Net increase (decrease) in cash and cash equivalents	(256)	(11)	238
Cash and cash equivalents, beginning of period	1,257	1,268	1,030
Cash and cash equivalents, end of period	1,001	1,257	1,268
Cash paid during the period for:
Interest, net	221	204	176
Income and withholding taxes, net of refunds	138	119	122
Convertible Debt
Adjustments to reconcile Net earnings (loss) to Net cash provided by operating activities:
(Gain) losses from the extinguishment of long term debt	(4)	(6)	0
Long-term Debt, Excluding Convertible Debt
Adjustments to reconcile Net earnings (loss) to Net cash provided by operating activities:
(Gain) losses from the extinguishment of long term debt	$ 50	$ 0	$ 0