Supplemental Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for doubtful accounts
Beginning balance	$ 112	$ 119	$ 116
Net (credits) charges to expenses	10	5	14
Utilization of allowances	(15)	(12)	(7)
Ending balance	105	112	119
Trade accounts receivable, net
Accounts receivable	1,288us-gaap_AccountsReceivableGrossCurrent	1,419us-gaap_AccountsReceivableGrossCurrent
Less: allowance for doubtful accounts	(76)	(81)
Less: allowance for sales returns	(29)bsx_AllowanceForSalesReturnsCurrent	(31)bsx_AllowanceForSalesReturnsCurrent
Trade accounts receivable, net	1,183	1,307
Inventories
Finished goods	649us-gaap_InventoryFinishedGoods	598us-gaap_InventoryFinishedGoods
Work-in-process	97us-gaap_InventoryWorkInProcess	90us-gaap_InventoryWorkInProcess
Raw materials	200us-gaap_InventoryRawMaterials	209us-gaap_InventoryRawMaterials
Inventories	946us-gaap_InventoryNet	897us-gaap_InventoryNet
Property, plant and equipment, net
Land	80us-gaap_Land	81us-gaap_Land
Buildings and improvements	944us-gaap_BuildingsAndImprovementsGross	917us-gaap_BuildingsAndImprovementsGross
Equipment, furniture and fixtures	2,633bsx_EquipmentFurnitureAndFixturesGross	2,461bsx_EquipmentFurnitureAndFixturesGross
Capital in progress	189us-gaap_ConstructionInProgressGross	211us-gaap_ConstructionInProgressGross
Property, plant and equipment	3,846us-gaap_PropertyPlantAndEquipmentGross	3,670us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation	2,339	2,124
Property, plant and equipment, net	1,507us-gaap_PropertyPlantAndEquipmentNet	1,546us-gaap_PropertyPlantAndEquipmentNet	1,564us-gaap_PropertyPlantAndEquipmentNet
Accrued expenses
Payroll and related liabilities	512	488
Legal reserves	694us-gaap_LitigationReserveCurrent	84us-gaap_LitigationReserveCurrent
Business Combination, Contingent Consideration, Liability, Current	158	148
Other	586us-gaap_OtherAccruedLiabilitiesCurrent	628us-gaap_OtherAccruedLiabilitiesCurrent
Accrued expenses	1,950us-gaap_AccruedLiabilitiesCurrent	1,348us-gaap_AccruedLiabilitiesCurrent
Other long-term liabilities
Accrued income taxes	1,231us-gaap_AccruedIncomeTaxesNoncurrent	1,283us-gaap_AccruedIncomeTaxesNoncurrent
Legal reserves	883us-gaap_LitigationReserveNoncurrent	523us-gaap_LitigationReserveNoncurrent
Business Combination, Contingent Consideration, Liability, Noncurrent	116	353
Other Long-Term Liabilities	436	410
Other long-term liabilities	2,666us-gaap_OtherLiabilitiesNoncurrent	2,569us-gaap_OtherLiabilitiesNoncurrent
Allowance for Doubtful Accounts [Member]
Allowance for doubtful accounts
Beginning balance		88	81
Net (credits) charges to expenses		5	14
Utilization of allowances		(12)	(7)
Ending balance	$ 76	$ 81	$ 88

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Name:	us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

+ References

+ Details

Name:	us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_AllowanceForDoubtfulAccountsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: