0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Interim financial statements link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Revenues link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Investments in debt and equity securities link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Fair value measurements link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Net realized and unrealized gains link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Goodwill link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Estimated title losses link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Share-based payments link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Earnings per share link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Contingent liabilities and commitments link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Regulatory and legal developments link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Segment information link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Other comprehensive (loss) income link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Interim financial statements (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenues (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Investments in debt and equity securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair value measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Net realized and unrealized gains (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Estimated title losses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Earnings per share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Segment information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Other comprehensive (loss) income (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Interim financial statements (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Interim financial statements (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Investments in debt and equity securities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Investments in debt and equity securities - Schedule of Amortized Costs and Fair Values of Investments in Debt Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Investments in debt and equity securities - Schedule of Gross Unrealized Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Investments in debt and equity securities - Schedule of Debt Securities According to Contractual Terms (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Investments in debt and equity securities - Schedule of Gross Unrealized Losses on Investments and Fair Values of Related Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Fair value measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Net realized and unrealized gains - Schedule of Gross Realized and Unrealized Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Net realized and unrealized gains - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Net realized and unrealized gains - Schedule of Net Investment Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Net realized and unrealized gains - Schedule of Proceeds from Sale of Investments in Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Estimated title losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Share-based payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Earnings per share (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Contingent liabilities and commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Segment information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Segment information - Schedule of Selected Statement of Income Information Related to Segments (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Segment information - Schedule of Revenues Generated in United States and all International Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Other comprehensive (loss) income (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Other comprehensive (loss) income (Details) link:presentationLink link:calculationLink link:definitionLink