Benefit Plans	12 Months Ended
Dec. 01, 2017
Retirement Benefits [Abstract]
BENEFIT PLANS	BENEFIT PLANS Retirement Savings Plan In 1987, we adopted an Employee Investment Plan, qualified under Section 401(k) of the Internal Revenue Code, which is a retirement savings plan covering substantially all of our U.S. employees, now referred to as the Adobe 401(k) Retirement Savings Plan. Under the plan, eligible employees may contribute up to 65% of their pretax or after-tax salary, subject to the Internal Revenue Service annual contribution limits. In fiscal 2017, we matched 50% of the first 6% of the employee’s eligible compensation. We contributed $34.3 million, $33.4 million and $25.7 million in fiscal 2017, 2016 and 2015, respectively. We are under no obligation to continue matching future employee contributions and, at our discretion, may change our practices at any time. Deferred Compensation Plan On September 21, 2006, the Board of Directors approved the Adobe Systems Incorporated Deferred Compensation Plan, effective December 2, 2006 (the “Deferred Compensation Plan”). The Deferred Compensation Plan is an unfunded, non-qualified, deferred compensation arrangement under which certain executives and members of the Board of Directors are able to defer a portion of their annual compensation. Participants may elect to contribute up to 75% of their base salary and 100% of other specified compensation, including commissions, bonuses, performance-based and time-based restricted stock units, and directors’ fees. Participants are able to elect the payment of benefits to begin on a specified date at least three years after the end of the plan year in which election is made. For cash benefit elections, distributions are made in cash and in the form of a lump sum or annual installments over five years. For stock benefit elections, distributions are settled in stock and in the form of a lump sum payment only. As of December 1, 2017 and December 2, 2016, the invested amounts under the Deferred Compensation Plan total $56.7 million and $42.2 million, respectively and were recorded as other assets on our Consolidated Balance Sheets. As of December 1, 2017 and December 2, 2016, $67.2 million and $49.0 million, respectively, was recorded as long-term liabilities to recognize undistributed deferred compensation due to employees.

BENEFIT PLANS

Retirement Savings Plan

In 1987, we adopted an Employee Investment Plan, qualified under Section 401(k) of the Internal Revenue Code, which is a retirement savings plan covering substantially all of our U.S. employees, now referred to as the Adobe 401(k) Retirement Savings Plan. Under the plan, eligible employees may contribute up to 65% of their pretax or after-tax salary, subject to the Internal Revenue Service annual contribution limits. In fiscal 2017, we matched 50% of the first 6% of the employee’s eligible compensation. We contributed $34.3 million, $33.4 million and $25.7 million in fiscal 2017, 2016 and 2015, respectively. We are under no obligation to continue matching future employee contributions and, at our discretion, may change our practices at any time.

Deferred Compensation Plan

On September 21, 2006, the Board of Directors approved the Adobe Systems Incorporated Deferred Compensation Plan, effective December 2, 2006 (the “Deferred Compensation Plan”). The Deferred Compensation Plan is an unfunded, non-qualified, deferred compensation arrangement under which certain executives and members of the Board of Directors are able to defer a portion of their annual compensation. Participants may elect to contribute up to 75% of their base salary and 100% of other specified compensation, including commissions, bonuses, performance-based and time-based restricted stock units, and directors’ fees. Participants are able to elect the payment of benefits to begin on a specified date at least three years after the end of the plan year in which election is made. For cash benefit elections, distributions are made in cash and in the form of a lump sum or annual installments over five years. For stock benefit elections, distributions are settled in stock and in the form of a lump sum payment only.

As of December 1, 2017 and December 2, 2016, the invested amounts under the Deferred Compensation Plan total $56.7 million and $42.2 million, respectively and were recorded as other assets on our Consolidated Balance Sheets. As of December 1, 2017 and December 2, 2016, $67.2 million and $49.0 million, respectively, was recorded as long-term liabilities to recognize undistributed deferred compensation due to employees.