Revenue (Tables) - USD ($)
$ in Millions

3 Months Ended

6 Months Ended

Jun. 30, 2018

Jun. 30, 2018

Jan. 01, 2018

Disaggregation of Revenue [Line Items]

Deferred Revenue

$ 384

$ 384

$ 411

Deferred Revenue, Revenue Recognized

$ 26

$ 53

Disaggregation of Revenue [Table Text Block]

The following tables disaggregate our revenue from contracts with customers by business and geographic region (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
Businesses	2018		2017		2018		2017
Endoscopy
U.S.	$	245	$	225	$	477	$	439
International	197		175		384		341
Worldwide	442		400		861		780
Urology and Pelvic Health
U.S.	213		196		409		379
International	96		84		192		163
Worldwide	308		280		601		542
Cardiac Rhythm Management
U.S.	290		287		580		571
International	204		193		407		372
Worldwide	494		480		987		943
Electrophysiology
U.S.	39		34		74		66
International	40		33		79		64
Worldwide	79		67		154		130
Neuromodulation
U.S.	160		125		291		241
International	42		29		79		54
Worldwide	202		154		371		295
Interventional Cardiology
U.S.	296		280		577		558
International	366		323		730		636
Worldwide	662		603		1,307		1,194
Peripheral Interventions
U.S.	152		144		297		286
International	152		129		294		248
Worldwide	304		273		591		534
Total Company
U.S.	1,394		1,291		2,704		2,540
International	1,096		966		2,166		1,878
Net Sales	$	2,490	$	2,257	$	4,870	$	4,418

	Three Months Ended June 30,				Six Months Ended June 30,
Geographic Regions	2018		2017		2018		2017
U.S.	$	1,394	$	1,291	$	2,704	$	2,540
EMEA (Europe, Middle East and Africa)	558		482		1,121		937
APAC (Asia-Pacific)	442		393		857		764
LACA (Latin America and Canada)	96		90		188		173
	$	2,490	$	2,257	$	4,870	$	4,418
Emerging Markets (1)	$	276	$	226	$	531	$	434

(1) Emerging Markets is defined as certain countries that we believe have strong growth potential based on their economic conditions, healthcare sectors and our global capabilities. Currently, we include 20 countries in our definition of Emerging Markets.