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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract] |
Warranty Reserve Activity | The following table identifies the activity relating to the warranty reserve liability for the years ended December 31:
In millions | 2014 |  | 2013 |  | 2012
Beginning balance at January 1 | $ | 8 |  |  | $ | 8 |  |  | $ | 6 |
Accruals for warranties issued | 16 |  |  | 15 |  |  | 17 |
Settlements (in cash or kind) | (17 | ) |  | (15 | ) |  | (15 | )
Balance at end of period | $ | 7 |  |  | $ | 8 |  |  | $ | 8 |
Committed Operating Leases Less Sublease Rentals | Future minimum operating lease payments and committed subleases under non-cancelable leases as of December 31, 2014, for the following fiscal years were:
| Total |  |  |  |  |  |  |  |  |  |
In millions | Amounts |  | 2015 |  | 2016 |  | 2017 |  | 2018 |  | 2019
Operating lease obligations | $ | 72 |  |  | $ | 23 |  |  | $ | 18 |  |  | $ | 15 |  |  | $ | 12 |  |  | $ | 4 |
Sublease rentals | (8 | ) |  | (3 | ) |  | (3 | ) |  | (2 | ) |  | — |  |  | — |
Total committed operating leases less sublease rentals | $ | 64 |  |  | $ | 20 |  |  | $ | 15 |  |  | $ | 13 |  |  | $ | 12 |  |  | $ | 4 |
The following table represents the Company’s actual rental expense and sublease rental income for the years ended December 31:
In millions | 2014 |  | 2013 |  | 2012
Rental expense | $ | 26 |  |  | $ | 26 |  |  | $ | 25 |
Sublease rental income | $ | 3 |  |  | $ | 3 |  |  | $ | 3 |

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- Definition Tabular disclosure of a lessee's leasing arrangements including: (1) the basis on which contingent rental payments are determined, (2) the existence and terms of renewal or purchase options and escalation clauses, (3) restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, (4) rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Disclosure may also include the specific period used to amortize material leasehold improvements made at the inception of the lease or during the lease term. Additionally, for operating leases having initial or remaining noncancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years, (b) the total of minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented, and (c) for all operating leases, rental expense for each period for which an income statement is presented, with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 1,3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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