Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

A reconciliation of the totals reported for the reportable segments to the applicable line items in our accompanying consolidated statements of operations is as follows:

	Year Ended December 31,
(in millions)	2017		2016		2015
			(restated)		(restated)
Net sales
Interventional Cardiology	$	2,419	$	2,281	$	2,033
Peripheral Interventions	1,081		1,011		904
Cardiovascular	3,500		3,292		2,937
Cardiac Rhythm Management	1,895		1,850		1,807
Electrophysiology	278		243		233
Rhythm Management	2,173		2,093		2,040
Endoscopy	1,619		1,440		1,306
Urology and Pelvic Health	1,124		1,005		693
Neuromodulation	635		556		501
MedSurg	3,377		3,001		2,500
	$	9,048	$	8,386	$	7,477

Reconciliation of depreciation by reportable segment to total [Table Text Block]

	Year Ended December 31,
(in millions)	2017		2016		2015
			(restated)		(restated)
Depreciation expense
Cardiovascular	$	120	$	118	$	112
Rhythm Management	79		80		91
MedSurg	79		72		71
	$	279	$	270	$	274

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Year Ended December 31,
(in millions)	2017			2016			2015
				(restated)			(restated)
Income (loss) before income taxes
Cardiovascular	$	988		$	946		$	788
Rhythm Management	429			314			255
MedSurg	1,092			941			745
Operating income allocated to reportable segments	2,509			2,200			1,788
Corporate expenses, including hedging activities	(252		)	(179		)	(118		)
Intangible asset impairment charges, acquisition-related, restructuring- and restructuring-related, and litigation-related net credits (charges)	(407		)	(1,029		)	(1,458		)
Amortization expense	(565		)	(545		)	(495		)
Operating income (loss)	1,285			447			(283		)
Other expense, net	(353		)	(270		)	(367		)
	$	933		$	177		$	(650	)

Segment operating income as percentage of net sales [Table Text Block]

	Year Ended December 31,
	2017		2016		2015
Operating income as a percentage of segment net sales
Cardiovascular	28.2	%	28.7	%	26.7	%
Rhythm Management	19.7	%	15.0	%	12.5	%
MedSurg	32.3	%	31.3	%	29.8	%

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

	As of December 31,
(in millions)	2017		2016
Total assets
Cardiovascular	$	1,824	$	1,748
Rhythm Management	1,266		1,250
MedSurg	2,212		1,499
Total assets allocated to reportable segments	5,302		4,497
Goodwill	6,998		6,678
Other intangible assets, net	5,837		5,883
All other corporate assets	905		1,038
	$	19,042	$	18,096

Reconciliation of sales by division and region to consolidated [Table Text Block]

	Year Ended December 31,
(in millions)	2017		2016		2015
Net sales by major country
United States	$	5,162	$	4,759	$	4,229
Japan	737		750		602
Other countries	3,149		2,877		2,646
	$	9,048	$	8,386	$	7,477

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

	As of December 31,
(in millions)	2017		2016		2015
Long-lived assets
United States	$	1,065	$	1,082	$	1,018
Ireland	210		181		170
Other countries	422		367		302
Property, plant and equipment, net	1,697		1,630		1,490
Goodwill	6,998		6,678		6,473
Other intangible assets, net	5,837		5,883		6,194
	$	14,531	$	14,191	$	14,157