Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

Assets Measured at Fair Value	March		December
	2019		2018
Cash and cash equivalents	$	1,674	$	3,616
Trading marketable securities	132		118
Level 1 - Assets	$	1,806	$	3,734
Available-for-sale marketable securities:
Corporate and asset-backed debt securities	$	36	$	38
United States agency debt securities	10		11
United States Treasury debt securities	28		23
Certificates of deposit	10		11
Total available-for-sale marketable securities	$	84	$	83
Foreign currency exchange forward contracts	124		77
Level 2 - Assets	$	208	$	160
Total assets measured at fair value	$	2,014	$	3,894

Liabilities Measured at Fair Value	March			December
	2019			2018
Deferred compensation arrangements	$	132		$	118
Level 1 - Liabilities	$	132		$	118
Foreign currency exchange forward contracts	$	18		$	20
Level 2 - Liabilities	$	18		$	20
Contingent consideration:
Beginning	$	117		$	32
Additions	128			77
Change in estimate	—			15
Settlements	(1		)	(7		)
Ending	$	244		$	117
Level 3 - Liabilities	$	244		$	117
Total liabilities measured at fair value	$	394		$	255

Investments Classified by Contractual Maturity Date

Fair Value of Available for Sale Securities by Maturity
	March 2019		December 2018
Due in one year or less	$	42	$	51
Due after one year through three years	$	42	$	32

Schedule of Unrealized Loss on Investments

Securities in a Continuous Unrealized Loss Position
	Number of Investments	Fair Value
Corporate and asset-backed	29	$	13
United States agency	6	8
United States Treasury	13	12
Certificates of deposit	1	1
Total	49	$	34