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- References

No definition available.

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The cumulative net sales threshold of the former subsidiary that is used to calculate earn out payments so long as revenue for the applicable year exceeds $50 million.

No definition available.

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The ownership percentage represented by the entity's equity investment in a company with which it conducts business and which is not accounted for under the equity method of accounting.

No definition available.

Name:	ions_EquityInvestmentsOtherThanEquityMethodOwnershipPercentage
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The maximum amount of payments payable for a portion of any sublicense revenue and post licensing milestone payments received in consideration for the entity's sublicensing technology under the in-licensing arrangement.

No definition available.

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The maximum amount of payments receivable under the collaboration agreement.

No definition available.

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The maximum amount of payments receivable for commercialization milestones under the collaboration agreement.

No definition available.

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The next potential payment to be earned under the collaboration agreement.

No definition available.

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The cash outflow for acquisition of licenses and other assets not otherwise defined in the taxonomy.

No definition available.

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The percentage of the former subsidiary's cumulative net sales over the first tier of $140 million and up to $2.1 billion that is used to calculate earn out payments so long as revenue for the applicable year exceeds $50 million.

No definition available.

Name:	ions_PercentageOfCumulativeNetSalesUsedToCalculateEarnOutPaymentsTier1
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The percentage of the former subsidiary's cumulative net sales over $2.1 billion that is used to calculate earn out payments so long as revenue for the applicable year exceeds $50 million.

No definition available.

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Percentage of non-royalty cash payments received from agreement with one collaboration partner to be paid to another collaboration partner.

No definition available.

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Royalty percentage received on the sale of a drug by one collaboration partner to be paid to another collaboration partner.

No definition available.

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Royalty percentage received on the sales of a drug by a collaboration partner under the collaboration agreement.

No definition available.

Name:	ions_RoyaltyPercentageReceivedOnSalesOfDrug
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Data Type:	num:percentItemType
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The amount of upfront payments received during the period under the collaboration agreement.

No definition available.

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The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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