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Debt - Narrative (Details) - USD ($) |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 10, 2021 | May 10, 2021 | May 07, 2021 | Sep. 14, 2020 | Nov. 04, 2019 | May 31, 2020 | Oct. 01, 2021 | Oct. 02, 2020 | Oct. 01, 2021 | Oct. 02, 2020 | Jul. 13, 2021 | Apr. 02, 2021 | May 26, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense paid |  |  |  |  |  |  |  |  | $ 60,000,000 | $ 76,000,000 |  |  |
Cash dividend declared amount |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |
Adjustment to stockholders' equity |  |  |  |  |  |  |  |  | 112,000,000 | 581,000,000 |  |  |
Loss on early extinguishment of debt |  |  |  |  |  |  | $ 0 | $ 0 | $ 5,000,000 | $ (20,000,000) |  |  |
Stock closing price (in dollars per share) |  |  |  |  |  |  | $ 25.56 |  | $ 25.56 |  | $ 27.20 |  |
Net carrying amount |  |  |  |  |  |  | $ 3,852,000,000 |  | $ 3,852,000,000 |  |  | $ 3,601,000,000 |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity, revolving line of credit |  |  |  |  | $ 1,000,000,000 |  |  |  |  |  |  |  |
Term Loan Interim Facility B |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity, revolving line of credit | $ 3,600,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term (in years) | 7 years |  |  |  |  |  |  |  |  |  |  |  |
Interim Revolving Facility A1 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity, revolving line of credit | $ 750,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term (in years) | 60 days |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Interim Facility A2 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity, revolving line of credit | $ 3,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term (in years) | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Interim Revolving Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity, revolving line of credit | $ 1,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term (in years) | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Due November 4, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  | $ 500,000,000 |  |  |  |  |  |  |  |
Debt instrument term (in years) |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Delayed Draw Term Loan Due November 4, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  | $ 750,000,000 |  |  |  |  |  |  |  |
Debt instrument term (in years) |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Proceeds from lines of credit |  |  |  | $ 750,000,000 |  |  |  |  |  |  |  |  |
Quarterly installment payment (as a percent) |  |  | 1.25% |  |  |  |  |  |  |  |  |  |
First Amendment Additional Term Loan Due May 7, 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 525,000,000 |  |  |  |  |  |  |  |  |  |
Credit Agreement First Amendment |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net carrying amount |  |  | $ 1,741,000,000 |  |  |  |  |  |  |  |  |  |
Quarterly installment payment (as a percent) |  |  | 1.25% |  |  |  |  |  |  |  |  |  |
2019 Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt covenant, consolidated leverage ratio |  |  | 5.25 |  |  |  |  |  |  |  |  |  |
Debt covenant, consolidated leverage ratio if acquisition incurred |  |  | 5.75 |  |  |  |  |  |  |  |  |  |
Debt covenant, aggregate acquisition amount benchmark |  |  | $ 250,000,000 |  |  |  |  |  |  |  |  |  |
2019 Credit Facility | Minimum | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.125% |  |  |  |  |  |  |  |  |  |
2019 Credit Facility | Minimum | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.125% |  |  |  |  |  |  |  |  |  |
2019 Credit Facility | Maximum | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.75% |  |  |  |  |  |  |  |  |  |
2019 Credit Facility | Maximum | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.75% |  |  |  |  |  |  |  |  |  |
2019 Credit Facility | Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, commitment fee percentage |  |  | 0.125% |  |  |  |  |  |  |  |  |  |
2019 Credit Facility | Revolving Credit Facility | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, commitment fee percentage |  |  | 0.30% |  |  |  |  |  |  |  |  |  |
Convertible Debt | 2.0% Convertible Senior Notes due August 15, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 250,000,000 |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  | 2.50% | 2.00% |  | 2.00% |  |  |  | 2.00%
Payment for debt extinguishment |  |  |  |  |  | $ 364,000,000 |  |  |  |  |  |  |
Conversion price (in dollars per share) |  |  |  |  |  | $ 24.40 |  | $ 10.23 |  | $ 10.23 |  |  |
Interest expense paid |  |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |
Adjustment to stockholders' equity |  |  |  |  |  | 112,000,000 |  |  |  |  |  |  |
Loss on early extinguishment of debt |  |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |
Convertible Debt | New 2.00% Convertible Unsecured Notes due August 15, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  | 2.00% |  | 2.00% |  |  |  |
Conversion price (in dollars per share) |  |  |  |  |  |  | $ 20.41 | $ 20.41 | $ 20.41 | $ 20.41 |  |  |
If-converted value in excess of principal |  |  |  |  |  |  |  |  | $ 158,000,000 |  |  |  |
Net carrying amount |  |  |  |  |  |  | $ 622,000,000 |  | 622,000,000 |  |  | $ 620,000,000 |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit, amount outstanding |  |  |  |  |  |  | $ 0 |  | $ 0 |  |  |  |

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- Definition Debt Instrument, Principal Quarterly Installment Payment As Percentage Of Aggregate Principal Amount + References No definition available. + Details
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- Definition The amount of subsequent adjustments to additional paid in capital for convertible financial instruments where a component of equity and a component of debt are recognized. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031898-161870 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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