Quarterly report pursuant to Section 13 or 15(d)

Supplemental Guarantor Information - Condensed Consolidating Statements of Cash Flows (Details)

v3.10.0.1
Supplemental Guarantor Information - Condensed Consolidating Statements of Cash Flows (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities $ 1,264 $ 513
Cash flows from investing activities    
Property, plant and equipment, net (578) (1,195)
Investments in subsidiaries 0 0
Distributions received from affiliates, net 0 0
Net cash provided by (used in) investing activities (578) (1,195)
Cash flows from financing activities    
Proceeds from issuances of debt 1,100 3,814
Repayments of debt (1,090) (2,173)
Debt issuance and deferred financing costs (8) (47)
Debt extinguishment costs (6) 0
Distributions to parent 0 0
Contributions from parent 0 0
Distributions to owners (814) (74)
Net cash provided by (used in) financing activities (818) 1,520
Net increase (decrease) in cash, cash equivalents and restricted cash (132) 838
Cash, cash equivalents and restricted cash—beginning of period 1,589 605
Cash, cash equivalents and restricted cash—end of period 1,457 1,443
Parent Issuer [Member]    
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 339 (89)
Cash flows from investing activities    
Property, plant and equipment, net 0 0
Investments in subsidiaries (202) (216)
Distributions received from affiliates, net 447 929
Net cash provided by (used in) investing activities 245 713
Cash flows from financing activities    
Proceeds from issuances of debt 1,100 1,500
Repayments of debt (1,090) (1,470)
Debt issuance and deferred financing costs (8) (18)
Debt extinguishment costs (6)  
Distributions to parent 0 0
Contributions from parent 0 0
Distributions to owners (814) (74)
Net cash provided by (used in) financing activities (818) (62)
Net increase (decrease) in cash, cash equivalents and restricted cash (234) 562
Cash, cash equivalents and restricted cash—beginning of period 1,033 234
Cash, cash equivalents and restricted cash—end of period 799 796
Guarantors [Member]    
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 408 293
Cash flows from investing activities    
Property, plant and equipment, net (24) (16)
Investments in subsidiaries (81) (7)
Distributions received from affiliates, net 350 450
Net cash provided by (used in) investing activities 245 427
Cash flows from financing activities    
Proceeds from issuances of debt 0 0
Repayments of debt 0 0
Debt issuance and deferred financing costs 0 0
Debt extinguishment costs 0  
Distributions to parent (858) (929)
Contributions from parent 202 216
Distributions to owners 0 0
Net cash provided by (used in) financing activities (656) (713)
Net increase (decrease) in cash, cash equivalents and restricted cash (3) 7
Cash, cash equivalents and restricted cash—beginning of period 12 13
Cash, cash equivalents and restricted cash—end of period 9 20
Non-Guarantors [Member]    
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 928 317
Cash flows from investing activities    
Property, plant and equipment, net (554) (1,187)
Investments in subsidiaries 0 0
Distributions received from affiliates, net 0 0
Net cash provided by (used in) investing activities (554) (1,187)
Cash flows from financing activities    
Proceeds from issuances of debt 0 2,314
Repayments of debt 0 (703)
Debt issuance and deferred financing costs 0 (29)
Debt extinguishment costs 0  
Distributions to parent (350) (450)
Contributions from parent 81 7
Distributions to owners 0 0
Net cash provided by (used in) financing activities (269) 1,139
Net increase (decrease) in cash, cash equivalents and restricted cash 105 269
Cash, cash equivalents and restricted cash—beginning of period 544 358
Cash, cash equivalents and restricted cash—end of period 649 627
Eliminations [Member]    
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities (411) (8)
Cash flows from investing activities    
Property, plant and equipment, net 0 8
Investments in subsidiaries 283 223
Distributions received from affiliates, net (797) (1,379)
Net cash provided by (used in) investing activities (514) (1,148)
Cash flows from financing activities    
Proceeds from issuances of debt 0 0
Repayments of debt 0 0
Debt issuance and deferred financing costs 0 0
Debt extinguishment costs 0  
Distributions to parent 1,208 1,379
Contributions from parent (283) (223)
Distributions to owners 0 0
Net cash provided by (used in) financing activities 925 1,156
Net increase (decrease) in cash, cash equivalents and restricted cash 0 0
Cash, cash equivalents and restricted cash—beginning of period 0 0
Cash, cash equivalents and restricted cash—end of period $ 0 $ 0