Supplemental disclosure of non-cash investment and financing activities [Abstract] Supplemental disclosure of non-cash investment and financing activities Consolidated Statements of Financial Position Payments for issuances of short-term note ot associate Payments for issuances of short-term note ot associate Payments for issuances of short-term note ot associate Proceeds from issue of shares to non-controlling interests Proceeds from issue of shares to non-controlling interests Short-term Investments Short-term Investments Receipt of payment of sublease Receipt of payment of sublease Finance income (cost) Purchase Of Intangible Assets But Not Yet Paid Purchase Of Intangible Assets But Not Yet Paid Noncurrent Liabilities From Share Based Payment Transactions Noncurrent Liabilities From Share Based Payment Transactions Adjustments For Gains (Losses) On Change In Fair Value Of Note Receivable Due From Associates Adjustments For Gains (Losses) On Change In Fair Value Of Note Receivable Due From Associates Gain (Loss) On Investments In Notes From Associates Gain (Loss) On Investments In Notes From Associates Cash receipts from repayment of current receivables due from associates, classified as investing activities Cash receipts from repayment of current receivables due from associates, classified as investing activities Cash in deconsolidated subsidiary Cash in deconsolidated subsidiary Noncash Interest Expense, Royalty Liability Noncash Interest Expense, Royalty Liability Non-cash items [Abstract] Non-cash items Number Of Treasury Shares Purchased Number Of Treasury Shares Purchased Purchases of convertible note Purchases of Convertible Note Non-current Liabilities, Royalty Liabilities Non-current Liabilities, Royalty Liabilities Payment to purchase treasury stock Payment to purchase treasury stock Increase (Decrease) Through Non-controlling Interest Exercise Of Share-based Awards In Subsidiaries Increase (Decrease) Through Non-controlling Interest Exercise Of Share-based Awards In Subsidiaries Sale Of Future Royalties Liability, Current Sale Of Future Royalties Liability, Current Cash flows from (used in) operating activities Decrease In Non-Controlling From Expiration Of Share Options In Subsidiary Decrease In Non-Controlling From Expiration Of Share Options In Subsidiary Increase Decrease Through Settlement Of Restricted Stock Units Increase Decrease Through Settlement Of Restricted Stock Units Increase (Decrease) Through Repurchase And Cancellation of Ordinary Shares, Tender Offer, Shares Increase (Decrease) Through Repurchase And Cancellation of Ordinary Shares, Tender Offer, Shares Increase (Decrease) Through Revaluation Of Deferred Tax Assets Related To Share-based Payment Transactions, Equity Increase (Decrease) Through Revaluation Of Deferred Tax Assets Related To Share-based Payment Transactions, Equity Cash flows from (used in) financing activities Cash flows from (used in) investing activities Increase (Decrease) Through Repurchase And Cancellation of Ordinary Shares, Tender Offer Increase (Decrease) Through Repurchase And Cancellation of Ordinary Shares, Tender Offer Gain (Loss) Recognized On Dilution Of Ownership Interest In Associate Gain (Loss) Recognized On Dilution Of Ownership Interest In Associate Proceeds From Sale Of Future Royalties Proceeds From Sale Of Future Royalties Beginning balance (in shares) Ending balance (in shares) Other income Settlement of restricted stock units through issuance of equity Settlement of restricted stock units through issuance of equity Cost Associated With Tender Offer Not Yet Paid In Cash Cost Associated With Tender Offer Not Yet Paid In Cash Changes in operating assets and liabilities [Abstract] Changes in operating assets and liabilities Adjustments for increase decrease In deferred revenue Adjustments for increase decrease In deferred revenue Equity Preferred Share Liability Preferred Share Liability Increase (decrease) in cash and cash equivalents before effect of exchange rate changes Number Of Ordinary Shares Issued To Settle Share-Based Payment Awards Number Of Ordinary Shares Issued To Settle Share-Based Payment Awards Payment for repurchase of ordinary shares, Tender Offer Payment for repurchase of ordinary shares, Tender Offer Payment for repurchase of ordinary shares, Tender Offer