PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

A summary of TDCC's pension plans and other postretirement benefits can be found in Note 19 to the Consolidated Financial Statements included in TDCC’s Annual Report on Form 10-K for the year ended December 31, 2018. The following table provides the components of TDCC's net periodic benefit cost for all significant plans:

Net Periodic Benefit Cost for All Significant Plans	Three Months Ended
In millions	Mar 31, 2019			Mar 31, 2018
Defined Benefit Pension Plans:
Service cost	$	112		$	133
Interest cost	241			218
Expected return on plan assets	(417		)	(406		)
Amortization of prior service credit	(6		)	(6		)
Amortization of net loss	132			171
Net periodic benefit cost	$	62		$	110
Other Postretirement Benefits:
Service cost	$	2		$	3
Interest cost	14			11
Amortization of net gain	(6		)	(6		)
Net periodic benefit cost	$	10		$	8

Net periodic benefit cost, other than the service cost component, is included in "Sundry income (expense) - net" in the consolidated statements of income.