Subsequent Event Subsequent Event (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Subsequent Events [Abstract]
Special payment to be received in exchange for asset contribution	$ 400

Special payment to be received in exchange for asset contribution

No definition available.

Name:	ip_Specialpaymenttobereceivedinexchangeforassetcontribution
Namespace Prefix:	ip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration