Retirement Plans Retirement Plans (Major Actuarial Assumptions Used In Determining Benefit Obligation Other) (Details) (Temple Inland Inc [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Temple Inland Inc [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial assumptions used to determine net periodic pension cost, Expected long-term rate of return on plan assets	7.00%	6.16%	5.70%	[1]

[1] Represents the expected rate of return for International Paper's qualified pension plan for 2014 and 2013. The weighted average rate for the Temple-Inland Retirement Plan was 7.00%, 6.16% and 5.70% for 2014, 2013 and 2012, respectively.