Organization And Summary Of Significant Accounting Policies [Line Items]

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of noncurrent assets classified as other.

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of cash inflow (outflow) from financing activities classified as other.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Organization and Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2018
Organization And Summary Of Significant Accounting Policies [Line Items]
Operating Leases, Future Minimum Payments Due	$ 574
Prepaid and other current assets	1,606	$ 1,661		$ 1,757
Advertising Expense	587	600	$ 618
Capitalized Computer Software, Net	121	129
Other, Financing Activities	(486)	(330)	$ (276)
Other long-term assets	2,555	2,722		2,732
Other accrued liabilities	3,139	3,370		3,255
Other long-term obligations	1,040	558		589
Retained earnings	$ 19,024	$ 19,012		19,202
AOCI Attributable to Parent
Organization And Summary Of Significant Accounting Policies [Line Items]
Cumulative effect from the adoption of new accounting standards				(293)
Minimum [Member] \| Machinery and Equipment [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	4 years
Minimum [Member] \| Computer Equipment [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Maximum [Member] \| Building and Building Improvements [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	35 years
Maximum [Member] \| Machinery and Equipment [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Maximum [Member] \| Computer Equipment [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Accounting Standards Update 2016-01
Organization And Summary Of Significant Accounting Policies [Line Items]
Cumulative effect from the adoption of new accounting standards				190
Accounting Standards Update 2016-01 \| AOCI Attributable to Parent
Organization And Summary Of Significant Accounting Policies [Line Items]
Cumulative effect from the adoption of new accounting standards				$ (293)
Accounting Standards Update 2016-01 \| Galapagos [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Equity Securities, FV-NI, Unrealized Gain (Loss)	$ 278