Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Supplemental Guarantor Information - Condensed Consolidating Statements of Cash Flows (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities $ 640 $ 805
Cash flows from investing activities    
Property, plant and equipment, net (585) (345)
Investments in subsidiaries 0 0
Return of capital 0 0
Distributions received from affiliates, net   0
Other (1) 0
Net cash used in investing activities (586) (345)
Cash flows from financing activities    
Proceeds from issuances of debt 649 0
Debt issuance and deferred financing costs (19) (1)
Distributions to parent 0 0
Contributions from parent 0 0
Distributions to owners (616) (527)
Other 3 0
Net cash provided by (used in) financing activities 17 (528)
Net increase (decrease) in cash, cash equivalents and restricted cash 71 (68)
Cash, cash equivalents and restricted cash—beginning of period 1,541 1,589
Cash, cash equivalents and restricted cash—end of period 1,612 1,521
Parent Issuer [Member]    
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 621 (7)
Cash flows from investing activities    
Property, plant and equipment, net 0 0
Investments in subsidiaries (908) (112)
Return of capital 503 0
Distributions received from affiliates, net   277
Other 0  
Net cash used in investing activities (405) 165
Cash flows from financing activities    
Proceeds from issuances of debt 649  
Debt issuance and deferred financing costs (19) (1)
Distributions to parent 0 0
Contributions from parent 0 0
Distributions to owners (616) (527)
Other 0  
Net cash provided by (used in) financing activities 14 (528)
Net increase (decrease) in cash, cash equivalents and restricted cash 230 (370)
Cash, cash equivalents and restricted cash—beginning of period 779 1,033
Cash, cash equivalents and restricted cash—end of period 1,009 663
Guarantors [Member]    
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 723 266
Cash flows from investing activities    
Property, plant and equipment, net (21) (18)
Investments in subsidiaries (806) (25)
Return of capital 390 0
Distributions received from affiliates, net   0
Other 0  
Net cash used in investing activities (437) (43)
Cash flows from financing activities    
Proceeds from issuances of debt 0  
Debt issuance and deferred financing costs 0 0
Distributions to parent (1,196) (335)
Contributions from parent 908 112
Distributions to owners 0 0
Other 3  
Net cash provided by (used in) financing activities (285) (223)
Net increase (decrease) in cash, cash equivalents and restricted cash 1 0
Cash, cash equivalents and restricted cash—beginning of period 6 12
Cash, cash equivalents and restricted cash—end of period 7 12
Non-Guarantors [Member]    
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 450 604
Cash flows from investing activities    
Property, plant and equipment, net (567) (327)
Investments in subsidiaries 0 0
Return of capital 0 0
Distributions received from affiliates, net   0
Other (1)  
Net cash used in investing activities (568) (327)
Cash flows from financing activities    
Proceeds from issuances of debt 0  
Debt issuance and deferred financing costs 0 0
Distributions to parent (848) 0
Contributions from parent 806 25
Distributions to owners 0 0
Other 0  
Net cash provided by (used in) financing activities (42) 25
Net increase (decrease) in cash, cash equivalents and restricted cash (160) 302
Cash, cash equivalents and restricted cash—beginning of period 756 544
Cash, cash equivalents and restricted cash—end of period 596 846
Eliminations [Member]    
Condensed Cash Flow Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities (1,154) (58)
Cash flows from investing activities    
Property, plant and equipment, net 3 0
Investments in subsidiaries 1,714 137
Return of capital (893) 0
Distributions received from affiliates, net   (277)
Other 0  
Net cash used in investing activities 824 (140)
Cash flows from financing activities    
Proceeds from issuances of debt 0  
Debt issuance and deferred financing costs 0
Distributions to parent 2,044 335
Contributions from parent (1,714) (137)
Distributions to owners 0 0
Other 0  
Net cash provided by (used in) financing activities 330 198
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