Debt (Tables)

6 Months Ended

Jun. 30, 2018

Line of Credit Facility [Line Items]

Schedule of Short-term Debt

	As of June 30, 2018	As of December 31, 2017
	(In $ millions)
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Current installments of long-term debt	68	63
Short-term borrowings, including amounts due to affiliates(1)	96	86
Revolving credit facility(2)	125	97
Accounts receivable securitization facility(3)	77	80
Total	366	326

______________________________

⁽¹⁾  The weighted average interest rate was 3.5% and 3.4% as of June 30, 2018 and December 31, 2017, respectively.

⁽²⁾  The weighted average interest rate was 3.5% and 4.1% as of June 30, 2018 and December 31, 2017, respectively.

⁽³⁾  The weighted average interest rate was 2.8% and 2.1% as of June 30, 2018 and December 31, 2017, respectively.

Schedule of Long-term Debt

	As of June 30, 2018		As of December 31, 2017
	(In $ millions)
Long-Term Debt
Senior unsecured term loan due 2021(1)	481		494
Senior unsecured notes due 2019, interest rate of 3.250%	349		360
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%	872		897
Senior unsecured notes due 2025, interest rate of 1.250%	349		359
Pollution control and industrial revenue bonds due at various dates through 2030, interest rates ranging from 4.05% to 5.00%	169		169
Nilit bank loans due at various dates through 2026(2)	11		11
Obligations under capital leases due at various dates through 2054	182		208
Subtotal	3,313		3,398
Unamortized debt issuance costs(3)	(17	)	(20	)
Current installments of long-term debt	(68	)	(63	)
Total	3,228		3,315

______________________________

⁽¹⁾  The margin for borrowings under the senior unsecured term loan due 2021 was 1.5% above LIBOR at current Company credit ratings.

⁽²⁾  The weighted average interest rate was 1.3% and 1.3% as of June 30, 2018 and December 31, 2017, respectively.

⁽³⁾  Related to the Company's long-term debt, excluding obligations under capital leases.

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 June 30, 2018
	(In $ millions)
Accounts Receivable Securitization Facility
Borrowings outstanding(1)	77
Letters of credit issued	29
Available for borrowing	14
Total borrowing base	120
Maximum borrowing base(2)	120

______________________________

⁽¹⁾  The Company borrowed $25 million and repaid $28 million during the six months endedJune 30, 2018.

⁽²⁾  Outstanding accounts receivable transferred to the SPE was $176 million.

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 June 30, 2018
	(In $ millions)
Revolving Credit Facility
Borrowings outstanding(1)	125
Letters of credit issued	—
Available for borrowing(2)	875

______________________________

⁽¹⁾  The Company borrowed $535 million and repaid $507 million under its senior unsecured revolving credit facility during the six months endedJune 30, 2018.

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