0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONSOLIDATED BALANCE SHEETS (KILROY REALTY, L.P.) link:presentationLink link:calculationLink link:definitionLink 9952158 - Statement - CONSOLIDATED BALANCE SHEETS (KILROY REALTY, L.P.)(Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952159 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (KILROY REALTY, L.P.) link:presentationLink link:calculationLink link:definitionLink 9952160 - Statement - CONSOLIDATED STATEMENTS OF CAPITAL (KILROY REALTY, L.P.) link:presentationLink link:calculationLink link:definitionLink 9952161 - Statement - CONSOLIDATED STATEMENTS OF CAPITAL (KILROY REALTY, L.P.) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952162 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (KILROY REALTY, L.P.) link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Organization, Ownership, and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Dispositions link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Prepaid Expenses and Other Assets, Net link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Secured and Unsecured Debt of the Operating Partnership link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Stockholders' Equity of the Company link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Noncontrolling Interests on the Company's Consolidated Financial Statements link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Rental Income and Future Minimum Rent link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Fair Value Measurements and Disclosures link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Net Income Available to Common Stockholders Per Share of the Company link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Net Income Available to Common Unitholders Per Unit of the Operating Partnership link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - Supplemental Cash Flows Information of the Company and the Operating Partnership link:presentationLink link:calculationLink link:definitionLink 9952177 - Disclosure - Segments link:presentationLink link:calculationLink link:definitionLink 9952178 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Organization, Ownership, and Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Organization, Ownership, and Basis of Presentation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Dispositions (Table) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Prepaid Expenses and Other Assets, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Secured and Unsecured Debt of the Operating Partnership (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Rental Income and Future Minimum Rent (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Fair Value Measurements and Disclosures (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Net Income Available to Common Stockholders Per Share of the Company (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Net Income Available to Common Unitholders Per Unit of the Operating Partnership (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Supplemental Cash Flows Information of the Company and the Operating Partnership (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Organization, Ownership, and Basis of Presentation - Operating Properties (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Organization, Ownership, and Basis of Presentation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Organization, Ownership, and Basis of Presentation - Consolidated Property Partnership Ownership Percentage (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Organization, Ownership, and Basis of Presentation - Variable Interest Entities (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Dispositions (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Prepaid Expenses and Other Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Secured and Unsecured Debt of the Operating Partnership - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Secured and Unsecured Debt of the Operating Partnership - Schedule of Unsecured Revolving Credit Facility (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Secured and Unsecured Debt of the Operating Partnership - Schedule of Debt Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Secured and Unsecured Debt of the Operating Partnership - Capitalized Interest (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Stockholders' Equity of the Company (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Noncontrolling Interests on the Company's Consolidated Financial Statements (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Share-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Rental Income and Future Minimum Rent - Rental Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Rental Income and Future Minimum Rent - Future Contractual Minimum Rent (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Commitment and Contingencies - Accrued Environmental Remediation Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Fair Value Measurements and Disclosures - Assets and Liabilities Reported at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Fair Value Measurements and Disclosures - Financial Instruments Disclosed at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Net Income Available to Common Stockholders Per Share of the Company (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Net Income Available to Common Unitholders Per Unit of the Operating Partnership (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Supplemental Cash Flows Information of the Company and the Operating Partnership (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Segments (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink