XML 132 R66.htm IDEA: XBRL DOCUMENT v2.4.1.9
Organizational Efficiency Plan (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2012
Dec. 31, 2014
Dec. 31, 2013
Organizational Efficiency Plan Activity [Line Items]        
Charge $ 60us-gaap_RestructuringCharges $ 77us-gaap_RestructuringCharges    
Restructuring charge, net of tax 40ci_RestructuringChargesNetOfTax 50ci_RestructuringChargesNetOfTax    
Caption that includes restructuring charges     Other operating expenses  
Organizational Efficiency Cost Reduction 2013 Plan [Member]        
Organizational Efficiency Plan Activity [Line Items]        
Balance, January 1,     58us-gaap_RestructuringReserve
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
 
Charge       60us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
Payments     28us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
2us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
Balance, December 31, 58us-gaap_RestructuringReserve
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
  30us-gaap_RestructuringReserve
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
58us-gaap_RestructuringReserve
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
Employee Severance [Member] | Organizational Efficiency Cost Reduction 2013 Plan [Member]        
Organizational Efficiency Plan Activity [Line Items]        
Balance, January 1,     46us-gaap_RestructuringReserve
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
 
Charge       47us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
Payments     26us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
1us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
Balance, December 31, 46us-gaap_RestructuringReserve
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
  20us-gaap_RestructuringReserve
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
46us-gaap_RestructuringReserve
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
Facility Closing [Member] | Organizational Efficiency Cost Reduction 2013 Plan [Member]        
Organizational Efficiency Plan Activity [Line Items]        
Balance, January 1,     12us-gaap_RestructuringReserve
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
 
Charge       13us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
Payments     2us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
1us-gaap_PaymentsForRestructuring
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
Balance, December 31, $ 12us-gaap_RestructuringReserve
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
  10us-gaap_RestructuringReserve
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember
$ 12us-gaap_RestructuringReserve
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember
/ us-gaap_RestructuringPlanAxis
= ci_OrganizationalEfficiencyCostReduction2013PlanMember