Subsequent Events (Details) - Subsequent event - USD ($) $ / shares in Units, $ in Millions	Jan. 31, 2019	Jan. 29, 2019
Subsequent Events
Dividend declared, date		Jan. 29, 2019
Dividend declared (in dollars per share)		$ 1.57
Dividend payable, date		Mar. 09, 2019
Shareholders of record, date		Feb. 08, 2019
Bonds issued in January 2019 \| Euros
Subsequent Events
Bonds issued	$ 5,700
4-year fixed-rate bonds \| Euros
Subsequent Events
Bonds issued	$ 2,000
Term of debt instrument	4 years
Coupon rate (as a percent)	0.375%
6-year fixed-rate bonds \| Euros
Subsequent Events
Bonds issued	$ 1,100
Term of debt instrument	6 years
Coupon rate (as a percent)	0.875%
8-year fixed-rate bonds \| Euros
Subsequent Events
Bonds issued	$ 1,100
Term of debt instrument	8 years
Coupon rate (as a percent)	1.25%
12-year fixed-rate bonds \| Euros
Subsequent Events
Bonds issued	$ 1,400
Term of debt instrument	12 years
Coupon rate (as a percent)	1.75%

Aggregate dividends declared during the period for each share of common stock outstanding.

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Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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