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2420402 - Disclosure - Employee Benefit Plans (Details)
(http://www.chevron.com/role/EmployeeBenefitPlansDetails)
TableSchedule of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000093410 (http://www.sec.gov/CIK)
Defined Benefit Plan Disclosure [Line Items]Period [Axis]
2013-01-01 - 2013-12-31
2012-01-01 - 2012-12-31
2011-01-01 - 2011-12-31
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
United States Pension Plan of US Entity, Defined Benefit [Member]Foreign Pension Plan, Defined Benefit [Member]Other Postretirement Benefit Plan, Defined Benefit [Member]United States Pension Plan of US Entity, Defined Benefit [Member]Foreign Pension Plan, Defined Benefit [Member]Other Postretirement Benefit Plan, Defined Benefit [Member]United States Pension Plan of US Entity, Defined Benefit [Member]Foreign Pension Plan, Defined Benefit [Member]Other Postretirement Benefit Plan, Defined Benefit [Member]
Change in Benefit Obligation
 
 
 
 
 
 
 
 
 
Benefit obligation at January 1
13,654,000,000  
6,287,000,000  
3,787,000,000  
12,165,000,000  
5,519,000,000  
3,765,000,000  
 
 
 
Service cost
495,000,000  
197,000,000  
66,000,000  
452,000,000  
181,000,000  
61,000,000  
374,000,000  
174,000,000  
58,000,000  
Interest cost
471,000,000  
314,000,000  
149,000,000  
435,000,000  
320,000,000  
153,000,000  
463,000,000  
325,000,000  
180,000,000  
Plan participants contributions
0  
8,000,000  
154,000,000  
0  
7,000,000  
151,000,000  
 
 
 
Plan amendments
(78,000,000) 
18,000,000  
0  
94,000,000  
37,000,000  
11,000,000  
 
 
 
Actuarial loss (gain)
(1,398,000,000) 
(206,000,000) 
(636,000,000) 
1,322,000,000  
417,000,000  
44,000,000  
 
 
 
Foreign currency exchange rate changes
0  
(187,000,000) 
(23,000,000) 
0  
114,000,000  
1,000,000  
 
 
 
Benefits paid
(1,064,000,000) 
(336,000,000) 
(359,000,000) 
(763,000,000) 
(308,000,000) 
(350,000,000) 
 
 
 
Divestitures
0  
0  
0  
(51,000,000) 
0  
(49,000,000) 
 
 
 
Benefit obligation at December 31
12,080,000,000  
 
6,095,000,000  
 
3,138,000,000  
 
13,654,000,000  
 
6,287,000,000  
 
3,787,000,000  
 
12,165,000,000  
 
5,519,000,000  
 
3,765,000,000  
 
Change in Plan Assets
 
 
 
 
 
 
 
 
 
Fair value of plan assets at January
9,909,000,000  
4,125,000,000  
0  
8,720,000,000  
3,577,000,000  
0  
 
 
 
Actual return on plan assets
1,546,000,000  
375,000,000  
0  
1,149,000,000  
375,000,000  
0  
 
 
 
Foreign currency exchange rate changes
0  
(21,000,000) 
0  
0  
90,000,000  
0  
 
 
 
Employer Contributions
819,000,000  
392,000,000  
205,000,000  
844,000,000  
384,000,000  
199,000,000  
 
 
 
Plan participants contributions
0  
8,000,000  
154,000,000  
0  
7,000,000  
151,000,000  
 
 
 
Benefits paid
(1,064,000,000) 
(336,000,000) 
(359,000,000) 
(763,000,000) 
(308,000,000) 
(350,000,000) 
 
 
 
Divestitures
0  
0  
0  
(41,000,000) 
0  
0  
 
 
 
Fair value of plan assets at December 31
11,210,000,000  
 
4,543,000,000  
 
0  
 
9,909,000,000  
 
4,125,000,000  
 
0  
 
8,720,000,000  
 
3,577,000,000  
 
0  
 
Funded Status at December 31
(870,000,000) 
 
(1,552,000,000) 
 
(3,138,000,000) 
 
(3,745,000,000) 
 
(2,162,000,000) 
 
(3,787,000,000)