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Postretirement, Pension and Other Employee Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2015
Postretirement And Pension Benefits
201520142013
Year ended December 31 (in millions)Postretirement BenefitsPension BenefitsPostretirement BenefitsPension BenefitsPostretirement BenefitsPension Benefits
Benefit obligation$820$309$837$581$633$498
Fair value of plan assets(a)---242-220
Plan funded status and recorded
benefit obligation(820)(309)(837)(339)(633)(278)
Portion of benefit obligation not
yet recognized in benefits expense(33)144653(110)(3)
Benefits expense751359146512
Discount rate4.70-4.73%4.31-4.40%4.25%3.75-4.25%5.00-5.25%4.50-5.25%
Expected return on plan assetsN/AN/AN/A5.00%N/A5.00%

(a) The fair value of the plan assets are primarily based on Level 1 inputs that use quoted market prices for identical financial instruments in an active market.

Deferred Compensation Plans
Year ended December 31 (in millions)201520142013
Benefit obligation$2,038$1,774$1,434
Interest expense$171$149$128
Benefit Obligation and Expense for Our Split-Dollar Life Insurance Agreements
Year ended December 31 (in millions)201520142013
Benefit obligation$233$217$212
Other operating and administrative expenses$67$52$50
NBCUniversal Media LLC [Member]  
Postretirement And Pension Benefits
201520142013
Year ended December 31 (in millions)Postretirement BenefitsPension BenefitsPostretirement BenefitsPension BenefitsPostretirement BenefitsPension Benefits
Benefit obligation$197$309$209$581$158$498
Fair value of plan assets(a)---242-220
Plan funded status and recorded
benefit obligation(197)(309)(209)(339)(158)(278)
Portion of benefit obligation not yet
recognized in benefits expense(27)14(3)53(44)(3)
Benefits expense151312141412
Discount rate4.73%4.31-4.40%4.25%3.75-4.25%5.25%4.50-5.25%
Expected return on plan assetsN/AN/AN/A5.00%N/A5.00%

(a) The fair value of the plan assets are primarily based on Level 1 inputs that use quoted market prices for identical financial instruments in an active market.

Deferred Compensation Plans
Year ended December 31 (in millions)201520142013
Benefit obligation$417$349$250
Interest expense$28$24$18