Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2016

HSBC North America Pension Plan [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]

Components of Net Periodic Benefit Cost

The components of pension expense for the defined benefit pension plan recorded in our consolidated statement of income and shown in the table below reflect the portion of pension expense of the combined HSBC North America Pension Plan (either the "HSBC North America Pension Plan" or the "Plan") which has been allocated to us.

Three Months Ended March 31,	2016			2015
	(in millions)
Service cost – benefits earned during the period	$	1		$	2
Interest cost on projected benefit obligation	18			17
Expected return on plan assets	(20		)	(23		)
Amortization of net actuarial loss	10			9
Pension expense	$	9		$	5

Postretirement Plans Other Than Pensions [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]

Components of Net Periodic Benefit Cost

Three Months Ended March 31,	2016		2015
	(in millions)
Interest cost on accumulated benefit obligation	$	1	$	1
Net periodic postretirement benefit cost	$	1	$	1