Debt (Tables)

12 Months Ended

Dec. 31, 2016

Line of Credit Facility [Line Items]

Schedule of Short-term Debt

	As of December 31,
	2016	2015
	(In $ millions)
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Current installments of long-term debt	27	56
Short-term borrowings, including amounts due to affiliates(1)	68	52
Short-term SOFTER bank loans (Note 4)(2)	23	—
Revolving credit facility(3)	—	350
Accounts receivable securitization facility(4)	—	55
Total	118	513

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⁽¹⁾  The weighted average interest rate was 3.1% and 3.3% as of December 31, 2016 and 2015, respectively.

⁽²⁾  The weighted average interest rate was 1.2% as of December 31, 2016.

⁽³⁾  The weighted average interest rate was 1.8% as of December 31, 2015.

⁽⁴⁾  The weighted average interest rate was 0.8% as of December 31, 2015.

Schedule of Long-term Debt

	As of December 31,
	2016		2015
	(In $ millions)
Long-Term Debt
Senior credit facilities - Term C-2 loan due 2016(1)	—		30
Senior credit facilities - Term C-3 loan due 2018(2)	—		878
Senior unsecured term loan due 2021(3)	500		—
Senior unsecured notes due 2019, interest rate of 3.250%	316		327
Senior unsecured notes due 2021, interest rate of 5.875%	400		400
Senior unsecured notes due 2022, interest rate of 4.625%	500		500
Senior unsecured notes due 2023, interest rate of 1.125%	788		—
Pollution control and industrial revenue bonds due at various dates through 2030, interest rates ranging from 5.70% to 6.70%	—		169
Pollution control and industrial revenue bonds due at various dates through 2030, interest rates ranging from 4.05% to 5.00%	170		—
SOFTER bank loans due at various dates through 2021(Note 4)(4)	47		—
Obligations under capital leases due at various dates through 2054	217		238
Subtotal	2,938		2,542
Unamortized debt issuance costs(5)	(21	)	(18	)
Current installments of long-term debt	(27	)	(56	)
Total	2,890		2,468

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⁽¹⁾  The margin for borrowings under the Term C-2 loan facility was 2.0% above the Euro Interbank Offered Rate ("EURIBOR").

⁽²⁾  The margin for borrowings under the Term C-3 loan facility was 2.25% above LIBOR (for US dollars) and 2.25% above EURIBOR (for Euros), as applicable.

⁽³⁾  The margin for borrowings under the senior unsecured term loan due 2021 was 1.5% above LIBOR at current Celanese credit ratings.

⁽⁴⁾  The weighted average interest rate was 1.6% as of December 31, 2016.

⁽⁵⁾  Related to the Company's long-term debt, excluding obligations under capital leases.

Schedule of Net Deferred Financing Costs

Net deferred financing costs are as follows:

	(In $ millions)
As of December 31, 2013	27
Financing costs deferred(1)	10
Accelerated amortization due to refinancing activity(2)	(5	)
Amortization	(5	)
As of December 31, 2014(3)	27
Financing costs deferred	—
Accelerated amortization due to refinancing activity	—
Amortization	(5	)
As of December 31, 2015(3)	22
Financing costs deferred(4)	13
Accelerated amortization due to refinancing activity(5)	(3	)
Amortization	(5	)
As of December 31, 2016(3)	27

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⁽¹⁾  Includes $6 million related to the issuance of the 3.250% Notes and $4 million related to the September 2014 amendment to the Celanese US existing senior secured credit facilities.

⁽²⁾  Includes $4 million related to the 6.625% Notes redemption and $1 million related to the Term C-2 loan facility conversion.

⁽³⁾  Includes $6 million, $4 million and $5 million as of December 31, 2016, 2015 and 2014, respectively, related to the Company's revolving credit facility and accounts receivables securitization facility, which are included in noncurrent Other assets in the consolidated balance sheets.

⁽⁴⁾  Includes $5 million, $6 million and $2 million related to the New Credit Agreement, the 1.125% Notes and the pollution control and industrial revenue bonds, respectively, all of which are being amortized through the term of the respective financing arrangement.

⁽⁵⁾  Includes $2 million and $1 million related to the senior secured credit facilities and the pollution control and industrial revenue bonds, respectively, which are included in Refinancing expense in the consolidated statement of operations during the year ended December 31, 2016.

Schedule of Principle Payments

Principal payments scheduled to be made on the Company's debt, including short-term borrowings, are as follows:

	(In $ millions)
2017	118
2018	62
2019	407
2020	87
2021	804
Thereafter	1,551
Total	3,029

Accounts Receivable Securitization Facility [Member]

Line of Credit Facility [Line Items]

Schedule of Balances Available for Borrowing

The Company's debt balances and amounts available for borrowing under its securitization facility are as follows:

	As of December 31, 2016
	(In $ millions)
Accounts Receivables Securitization Facility
Borrowings outstanding(1)	—
Letters of credit issued	52
Available for borrowing	52
Total borrowing base	104
Maximum borrowing base(2)	120

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⁽¹⁾  The Company repaid $55 million during the year ended December 31, 2016.

⁽²⁾  Outstanding accounts receivable transferred to the SPE was $148 million.

Senior Unsecured Revolving Credit Facility [Member]

Line of Credit Facility [Line Items]

Schedule of Balances Available for Borrowing

The Company's debt balances and amounts available for borrowing under its senior unsecured revolving credit facility are as follows:

	As of December 31, 2016
	(In $ millions)
Revolving Credit Facility
Borrowings outstanding(1)	—
Letters of credit issued	—
Available for borrowing(2)	1,000

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⁽¹⁾  The Company borrowed $409 million and repaid $411 million under its new senior unsecured revolving credit facility during the year ended December 31, 2016. The Company borrowed $245 million and repaid $595 million under its previous secured revolving credit facility during the year ended December 31, 2016.

⁽²⁾  The margin for borrowings under the senior unsecured revolving credit facility was 1.5% above LIBOR at current Company credit ratings.