Incentive Stock Programs (Details) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 31, 2017 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award
Incentive stock programs, shares reserved for future grants	32,000,000
Total unrecognized compensation cost \| $	$ 470
Total unrecognized compensation cost, recognition period	3 years
Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Stock options granted during the period (in shares)	4,026,729
Stock options outstanding, number of shares	42,692,261
Stock options outstanding, weighted-average remaining life	6 years
Stock options outstanding, weighted-average exercise price (in dollars per share) \| $ / shares	$ 35.33
Aggregate intrinsic value of options outstanding \| $	$ 403
Exercisable options, number of shares	25,325,001
Exercisable options, weighted-average remaining life	4 years 7 months 6 days
Exercisable options, weighted-average exercise price (in dollars per share) \| $ / shares	$ 33.42
Aggregate intrinsic value of options exercisable \| $	$ 288
Stock options \| St Jude Medical
Share-based Compensation Arrangement by Share-based Payment Award
Stock options outstanding, weighted-average exercise price (in dollars per share) \| $ / shares	$ 30.50
Number of awards converted as part of acquisition (in shares)	7,364,571
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award
Awards and units granted during period (in shares)	544,153
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Awards and units granted during period (in shares)	6,738,866
Restricted stock units \| St Jude Medical
Share-based Compensation Arrangement by Share-based Payment Award
Number of awards converted as part of acquisition (in shares)	2,324,500
Awards and units outstanding, weighted-average grant-date fair value (in dollars per share) \| $ / shares	$ 37.69

Number of stock options and awards acquired as a part of the business combination.

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Unrecognized cost of unvested share-based compensation awards.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Net number of non-option equity instruments granted to participants.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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