Accounts and Notes Receivable and Allowance for Credit Losses (Tables)

6 Months Ended

Jun. 30, 2013

Receivables [Abstract]

Contractual Amounts Due Under Leases

The contractual amounts due under the leases we retained as of June 30, 2013 were as follows (table in millions):

Year	Contractual Amounts Due Under Leases
Due within one year	$	103
Due within two years	69
Due within three years	58
Thereafter	1
Total	231
Less amounts representing interest	(5		)
Present value	226
Current portion (included in accounts and notes receivable)	100
Long-term portion (included in other assets, net)	$	126

Allowance for Credit Losses

The following table presents the activity of our allowance for credit losses related to lease receivables for the six months ended June 30, 2013 and 2012 (table in millions):

	For the Six Months Ended
	June 30, 2013			June 30, 2012
Balance, beginning of the period	$	17		$	24
Recoveries	(9		)	(13		)
Provisions	3			6
Balance, end of the period	$	11		$	17